Excellent cigar and alternative video editor. Let me know if I should keep this or go back to the old editor.
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https://www.youtube.com/watch?v=HnSoPXsFb0g
It kind of dawns on me these aren't really challenges (they kind of are if it sucks) as much as they are a crash course on practical applications...
Kind of...
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https://www.youtube.com/watch?v=hkORQiSPyb0