This really isn't a Sketchup tutorial per se but it is very relevant for Sketchup users who want to utilize the power of ZBrush to paint/texture their models.
I used Sketchup Pro to export the OBJ file that was used in this demo -- but if you have another OBJ exporter plugin it should work just as well... and of course when you are done you can just import the OBJ back into Sketchup using one of the import plugins.
[flash=960,750:2233uywx]http://www.youtube.com/v/NQ09hkA54LY?rel=0&hd=1[/flash:2233uywx]
Best,
Jason.