IPhone app, video files and compression which size/format gives best outcome

Developers,
I have a series of video files that I want to integrate directly into an app ( I.e. The are contained within the app rather than streamed).  The files are currently .mov and have quite a large size ~50mb per file at full hd resolution.
I wondered If anyone has had some success driving down the file size (in Mbs) but maintaining quality in their apps? Or know of other supported file formats that might allow for this?
All comments welcome,
With thanks,
James

Try h.264 sized appropriately and build using UIWebView and HTML5.

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    I have been scratching my head as to how to fix my problem and I found some answers and some questions along the way. First of all, I have a video that should be correctly formatted for my iPod. Its specs are:
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    So that was bugging me for a LONG time until I found my “Create iPod or iPhone version” option in the “Advanced” heading. Thank goodness this made my files playable on my iPod. Extremely LONG wait though. I know that other programs convert it in ½ the time. But times not to important as long as it gets done, (would be very convenient if it was faster though **Problem and suggestion**)
    Ok, now that I have used the “Create iPod or iPhone version” option it has slowly but surly converted my video. Ok, here is my main problem, the new file which is the result of the conversions information is as follows:
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    This conversion also creates 2 files in iTunes when I am done which is annoying because I have to go into my files info and look to see what file is the mp3 in order to remove it. Very annoying I can open my iPod options and see the files and some are faded (the ones it can not play) why can’t I remove them from that area.Suggestion Apple please make files that cannot be played on my iPod stand out some how for easier cleaning Suggestion. Thank you.
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    Ok, speaking of organization now, another problem that appeared when converting my video files was that it put my new videos into the location where I have all my songs (my external hard drive) why can’t it put the new files in the locations of the original file? I have my computer highly organized and my original files were in that drive in that folder for a reason. If I could open my original file and skip the conversion, my iTunes would go to that specific folder to access the file which is fine. But now these new conversion files are elsewhere taking up space and disorganizing my computer. True I can go into the new location and move the files to where I want them (original location) but I don’t think I should have to hunt them down, copy, move, delete ect etc for all these files over and over. Very annoying, time consuming and should be unnecessary. **Suggestion Make file creation and location more customizable, and user friendly, your customers will love you for it**.
    Well since I have gotten into Apples iTunes and iPod problems that I have had to face I might as well bring up one or two more problems and suggestions. About a month after purchasing my iPod a sibling bought one as well. His however is way more convenient then mine. I suppose he has a 5th gen. so here is my question: why does he have a search option and I don’t!!!! Why does he get more features every so often and I don’t?! Why can’t Apple write some software for us classic guys which got the iPods going! It’s very annoying when I have to spend more time looking for the song then I spend actually listening to it, when he can pull his up in like 3-6 seconds? I highly doubt the hardware between our iPods is that dissimilar and even if they are why cant software be written for us. **Suggestion treat all your customers good not just the newer ones, and make some more features for the classics like me and my iPod.” We will be grateful for it I promise.
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    #3. Why is the conversion so slow? Please speed it, you have the power. Convenience is the thing that sells products.
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    #7. One of the most important is ADD A SEARCH OPTION. I and we classics will LOVE Apple for it.
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