these are great if you know photoshop pretty well or you just want to learn. my buddies uncle plays donnie hoyle and he says some priceless shit:
http://www.mydamnchannel.com/Big_Fat_Brain/You_Suck_at_Photoshop/YouSuckatPhotoshop1_398.aspx
the little quips and subtle stuff that is in there is the best, anyway check it out