Reducing background image size

Hi all,
I'm working with Captivate 4 and have made a screencast of a particular process for training purposes.
The project has 80 slides - but each background image is 1800+kb. Overall the project comes out at 3 MB even with the highest possible compression in the publishing settings.
The project is to be hosted on the Web so I really don't need this kind of detail in the background images and I can't find anyway to reduce the image size apart from exporting each of the 80 backgrounds into Photoshop, reducing them in size and importing them back into Catptivate. For 80 slides this would take too long.
So, two questions:
How can the background image size be reduced within Captivate?
How can I change the settings so when capturing screenshots the image sizes are smaller in the first place?
Thanks in advance for any tips,
Neil
Is there anyway the

Thanks Lilybiri
I've bene recording at full screen (1024x768 or close enough) in order to get the largest recording space possible - and then resizing the project to 800x600 for the web production. The problem is that there is no optimise for web setting (or none that I can see). I just did another test and each background image is 3000kb - way over the top for something that will be viewed on the web.
Does this help you get a fuller picture? Any advice?
Thanks for sparing your time to answer here btw - much appreciated
Neil

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"Hydrowizard" <[email protected]> wrote in
message
news:[email protected]...
>I am using a list for my navigation. I have a background
image which is
>shown
> on the LI. If the text in the link is longer than the
width of the image
> then
> the background image is repeated. How can I stretch the
width of the
> image?
> Does it look like I am putting the background image in
the right place? Am
> I
> doing this right? Thanks a lot
>
> <style type="text/css">
> BODY {
> PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: small;
PADDING-BOTTOM:
> 0px;
> MARGIN: 0px; COLOR: #000; PADDING-TOP: 0px; FONT-FAMILY:
"Trebuchet MS",
> arial,
> helvetica, sans-serif; BACKGROUND-COLOR: #fff;
TEXT-ALIGN: center;
> min-width:
> 740px
> }
> #navbar {CLEAR: both; MARGIN: 0px; WIDTH: 760px;
bgColor=#cccccc
> }
> #navbar LI {
> background-image: url(britishalliance/navback.gif);
> PADDING-RIGHT: 0px; DISPLAY: inline; PADDING-LEFT: 0px;
PADDING-BOTTOM:
> 0px;
> MARGIN: 0px; PADDING-TOP: 0px; LIST-STYLE-TYPE: none
> }
> #navbar UL {
> LIST-STYLE-TYPE: none;
> }
> #navbar A:link {
> background-image: url(britishalliance/navback.gif);
> BORDER-RIGHT: #c63 1px solid; PADDING-RIGHT: 6px;
PADDING-LEFT: 6px;
> FONT-SIZE: 12px; FLOAT: left; PADDING-BOTTOM: 5px;
COLOR: black;
> LINE-HEIGHT:
> 10px; PADDING-TOP: 5px; WHITE-SPACE: nowrap;
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> }
> </style>
>
>
> <DIV id=navbar>
> <UL><LI><A href="">aaaaaa aaaa
aaaaaaaaaa</A>
> <LI><A href="">aaaaa aa aa
aaaaaaaa</A>
> <LI><A href="">aaaaa aa aaaaaaaa</A>
> <LI><A href="">aaaaaaaaa</A>
> <LI><A href="">aaaaaaaaaaaaa
aaaaaaaaa</A>
> <LI><A href="">aaaaaa
aa</A></LI>
> </UL></DIV>
>

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