Looking For Optimal Wireless Settings For Multiple WRT310N's

Folks, I have 3 Linksys WRT310N routers (all at the most current level firmware) around my house serving as both wired and wireless access points. I have Verizon DSL service (3 MB) as my ISP. We have a couple of IBM T60p laptops (w/Win XP Pro), a Lenovo S12 netbook (w/Win 7), and my son also has an Apple iPod Touch all that access our home network via the wireless network provided by the WRT310N's. The WRT310N's all have unique static IP addresses (DHCP disabled - IP addresses being issued by the Verizon DSL modem/router). My current wireless settings are as follows:
Wireless / Basic Wireless Setings:
Wireless Configuration = Manual
Network Mode = Mixed
Network Name (SSID) = (something other than linksys!)
Radio Band = Auto
Wide Channel = Auto
Standard Channel = Auto
SSID Broadcast = Enabled (Need enabled or the Apple iPod Touch will not find the wireless network)
Wireless / Wireless Security:
Security Mode = WPA2 Personal
Encryption = TKIP or AES
Passphrase = (Something really clever here!)
Key Renewal = 3600 seconds
Wireless / Wireless MAC Filter:
Enabled (With all the appropriate MAC addresses permitted)
Wireless / Advanced Wireless Settings:
AP Isolation = Enabled
Frame Burst = Enabled
Authentication Type = Auto (greyed out - can NOT change)
Basic Rate = Default
Transmission Rate = Auto (greyed out - can NOT change)
N Transmission Rate = Auto
CTS Protection Mode = Auto
Beacon Interval = 100
DTIM Interval = 1
Fragmentation Threshold = 2346
RTS Threshold = 2347
My goal is obviously to provide the best performance on all the wireless devices that we have. Since the laptops and netbook have a variety of OS's (and sometimes our neighbor comes over with his Mac laptop) I'd like to keep it flexable for those PC's and the Apple iPod Touch. I've also read that if you have multiple wireless access points you should set them all to different channels. If so, which channels? Or, should they all be on the same channel so one could walk from room to room without losing their wireless connection? Since I have 3 WRT310N's I'm interested in what recommendations there are for performance to keep the laptops and netbook communicating using wireless "N" yet keeping compatible for the Apple iPod Touch on wireless "G". Thank you all in advance for any advice or info.

Hmmmm, for quite some time I've left the SSID the same on all the WRT310N routers. At one time a while back I was told to do this by a Linksys technician. They all are cascaded (LAN-to-LAN via the ethernet ports) off of the 4 ethernet ports on the Verizon DSL modem/router in the similar manner described in the following article:
http://www6.nohold.net/Cisco2/ukp.aspx?vw=1&docid=785463d9ecaf4cac84aed245b08d615f_3733.xml&pid=96&s...
(Switch) ethernet port 1 on each WRT310N is connected to ports 1 through 3 on the Verizon DSL modem/router. Hence, each WRT310N is acting as an access point (wired and wireless) throughout the house. I do NOT use the 'Internet' port on any of my WRT310N routers. They each have a static (fixed) IP address like 192.16.1.10, 192.168.1.11 and 192.168.1.12. They all reside on the same LAN subnet as my Verizon DSL modem/router which is responsible for issuing DHCP IP addresses for the entire home network. The remaining (switched) ethernet ports 2, 3, and 4 on each WRT310N is left open for local hard-wired devices like printers and multimedia devices (like XBox 360, etc.). So bottom line is that each WRT310N is acting like a 4-port network switch that also has wireless capabilities (like a WAP).
By keeping the SSID the same on all the WRT310N routers I can keep a single wireless profile on each device (i.e... PC's) for my entire house. So I can go and access WRT310N #1 (with let's say with SSID 'ABC') in my living room and later go into my home office room and access WRT310N #2 (with the same SSID - 'ABC') with the same wireless profile. I believe it is the same concept used when someone stays at a hotel and accesses their public wireless network. That way the hotel customers only have to set their SSID to let's say 'HILTON' regardless of which floor or room they are in.
So the part that I'm really focusing on is the wireless performance aspect. My laptops like to operate on 'N' and get pretty good connection speeds (usually receive around 270 Mbps). The Apple iPod Touch (2nd generation) only goes up to 'G' so I believe I need to keep a 'Mixed' Network Mode. The part I'm not so sure about is the Channel Width and whether or not all 3 Linksys routers should be on the same channel (or set to Auto) or if I should manually set the channels and provide some separation between their channels. That's where 'Channel Width' and 'Channel' settings get a bit over my head. Now when I previously had multiple 'G' Linksys routers I contacted Linksys Technical Support and they said to use the same SSID and that I should separate the channels, but that was with their earlier 'G' versions. Now that I have a more recent [N] version and the channel settings can be 'Auto' I'm wondering if the correct settings would still be to again separate the channels or maybe leave it up to the routers to function in 'Auto' mode.
And if I need to set each router up individually what recommended settings should they be? As follows:
WRT310N #1:
Network Mode = Mixed
Channel Width = ?
Channel = ?
WRT310N #2:
Network Mode = Mixed
Channel Width = ?
Channel = ?
WRT310N #3:
Network Mode = Mixed
Channel Width = ?
Channel = ?
Here is a Cisco web page that I'm using as a reference:
http://www6.nohold.net/Cisco2/ukp.aspx?pid=80&vw=1&articleid=21194
I'm also looking for any suggestions on tuning the Advanced Wireless Settings like Beacon Interval, Fragmentation Threshold, RTS Threshold, etc. Again, my wireless user devices are both G and N and have various OS's.
Thank you again in advance for all your help!!

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Jwhyrock reply,
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I know that there are many posts about file size and pixel size for optimizing photos prior to importing into iMovie or iDVD. I have read many of them, including many of them by Karl Petersen, but have been disappointed by the quality of the photos when viewed on the final DVD on my television. The problem I have it that almost ALL of my photos are portrait style and not landscape. A lot of the discussions center around avoiding pillarboxes, which I cannot avoid with vertical pictures
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Since posting the test I suggested you run, Alesse, I've done some testing of my own, with some interesting results. They aren't going to help you much, I'm afraid, but they might shed some light on the whole process of making slideshows.
I do everything I can to maximize image quality in iMovie slideshows. Then I've wondered what affect iDVD has on the result.
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2) I imported the same images with Ken Burns ON (but with no animation); and
3) I imported the same images with Ken Burns OFF.
The four clips of each image were arranged side-by-side on the Timeline, so I could easily compare their quality while played on the TV.
(The images were selected to include those that are easy to encode by iDVD and images difficult to encode — having lots of high-contrast lines like roof lines, lap-siding on buildings, telephone lines, the kind of content that tends to acquire the "jaggies". I avoided the bug where iMovie adds jaggies if you grant it permission to render UNrendered images as you export the project to iDVD or to the camera.)
I wanted to compare the quality of three kinds of slideshows:
1) the slideshow played from the camera;
2) the slideshow burned by iDVD and
3) the slideshow burned by a standalone DVR.
To make the three slideshows, I did this:
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RESULT
• The camera image was superior in all respects to both the DVDs, as one would expect. Considerably better. There were virtually no jaggies. Subtler colors. Less contrast. iMovie 6 was obviously delivering the goods. Great quality, on every clip.
• At first I thought the DVR image was better than the iDVD image, but reconsidered that later. Each had its own positive qualities. There was little difference. Each was slightly better in some respects than the other, worse in others. It was basically a wash. Both had about the same amount of jaggies, sometimes in different places.
• Another interesting result was that all the clips — from all four sources — played basically the same on the camera and on the two DVDs. There was very little difference among the four import methods. (I expected more difference.)
• There WAS an obvious difference among clips played in iMovie, however. The DV stream exported as a DV Progressive movie displayed with better quality in iMovie itself. The difference wasn't huge, but it was sharper, more "life-like".
• It is obvious that encoding an iMovie project to the MPEG-2 format used by a DVD — whether by iDVD or by a DVR — sacrifices quality. You won't notice it much on some images — flowers, faces, landscapes — but you will see jaggies on others.
• When the test was over, I watched a DVD slideshow of the same images I had burned a few weeks ago containing three iMovie widescreen formats: DV Widescreen, 720p, and 1080i. It was a close call, but I think they were all slightly better than the DV slideshow. Some images, especially, were better.
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If you want the best playback quality possible, use the camcorder to play the slideshow on the TV, not a DVD.
To avoid the jaggies, it may be necessary to avoid certain photos. It's hard to tell which those are until you play the DVD on a TV. Plan to burn a DVD, then purge the images that acquire bad jaggies and burn it again.
Softening the TV picture can help. My TV offers a tremendous range of sharpness, a feature common to new TVs.
• My guess is that until we can burn Hi-Def DVDs, our huger and huger TVs are going to make the problem of DVD quality worser and worser. My slideshows would probably all look great on yesterday's "huge" 20" TV.
• I don't have DVD Studio Pro to test. Perhaps someone can compare that too?
Anyway, I hope something here helps.
Karl

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