Did you try wacking it between the studs with a BFH?
Just for future reference...It's a lot easier to pull the rotor off the hub while it's still on the truck.
RRJ! tell 'em how to post a picture!
There's a few good tutorials in the "Suggestions-Feedback-Tech Support"...(then click) "How To's" up top, or follow this link: http://ramforumz.com/forumdisplay.php?f=73