...

screen #0: print screen: no dimensions: 1920x1200 pixels (0x0 millimeters) resolution: -2147483648x-2147483648 dots per inch

What version are you running?

2.3.2_rc2, with an Apple 23" display. I'll try some experiments tomorrow (it's at work, I'm at home now). -- Richard -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.