When it comes to various video formats, VLC Player from VideoLAN is an all-in-one wonder. Now VLC is available on iOS too, supporting iPhone 3GS, iPhone 4, iPod Touches and iPad.
This lets you play unsupported videos such as WMV and AVI on your apple device from email attachments, direct web or even Dropbox.
You can download VLC via AppStore or hit the iTunes Link.
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