i got it to work on version 4721. load skyfire to internal, when it asks to launch DONT. dump the exe. into skyfire folder in internal/program files. goto start programs and launch skyfire. no half screen. going to try other versions later and post back. no keyboard issues also. goodluck edit, heres the cab for 0.80 dont worry what it says. also works.
http://rapidshare.com/files/14804225...PPC50.CAB.html