Photoshop :
http://www.instantshift.com/2009/07/01/145-ultimate-round-up-of-photoshop-tutorials-and-resources/
http://www.smashingmagazine.com/2007/01/12/hand-picked-photoshop-tutorials/
http://psd.tutsplus.com/tutorials/tutorials-effects/create-a-space-explosion-from-scratch-in-photoshop/
Illustrator :
http://www.instantshift.com/2009/03/19/125-ultimate-round-up-of-illustrator-tutorials/
http://www.smashingmagazine.com/2009/04/16/40-cartoon-character-illustration-tutorials/
Paint.net :
http://paintdotnet.forumer.com
Sketchup :
http://forums.sketchucation.com/
http://www.instantshift.com/2009/07/01/145-ultimate-round-up-of-photoshop-tutorials-and-resources/
http://www.smashingmagazine.com/2007/01/12/hand-picked-photoshop-tutorials/
http://psd.tutsplus.com/tutorials/tutorials-effects/create-a-space-explosion-from-scratch-in-photoshop/
Illustrator :
http://www.instantshift.com/2009/03/19/125-ultimate-round-up-of-illustrator-tutorials/
http://www.smashingmagazine.com/2009/04/16/40-cartoon-character-illustration-tutorials/
Paint.net :
http://paintdotnet.forumer.com
Sketchup :
http://forums.sketchucation.com/
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