The basic and most-used features of Photoshop can be taught in 15-30 mins and with that you can do some powerful stuff.
YouTube vids can teach you some interesting stuff too.

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[COLOR="Blue"]"Your car positioning and awareness is f*ing bang on. And like, every single time.
In terms of getting that close to the bollards, Ive only been with one other person that can drive like that" –Franz[/COLOR]
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