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I wish that Finder show video thumbnail for all kind of formats and containers. *.flv doesn't get a preview, some *.mp4 not, *.mov not.

Is this possible? Maybe a video browser in place of Finder? I have Perian installed.

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Can you give some more specifics on your Mac OS? For example, what version do you use? – CousinCocaine Jan 29 '14 at 13:15

Flash Video Viewer added thumbnails for flv files and Flip4Mac for wmv files.

I didn't find any way to add support for mkv or other formats. VLC, MPlayerX, Movist, and NicePlayer don't come with Quick Look plugins.

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howto install that Flash Video Viewer? – Fyodor Dec 14 '12 at 16:21
Since you already have Perian, just download the zip, move flv.qlgenerator to /Library/QuickLook/, and log out and back in. – user495470 Dec 14 '12 at 23:26

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