I suspect this isn't quite the right place to ask it; feel free to point me at the right component in Bugzilla if not. But here goes: it should be possible to do something equivalent to Google's filetype: operator, at least on Commons. There are times when you want video; times when you want audio; etc., etc. So it'd be really nice to provide that :)
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I've found that using something like "intitle:ogg" works reasonably well, since the number of allowed file types/extensions on commons is fairly limited...
That's helpful, thanks! I still think a proper/accurate solution would be really helpful if we want people to treat us as a serious source of non-photo materials.
(With the right account this time).
Luis, this is one of many things depending on bugzilla:17503.
Great pointer, thanks, Nemo.