Them links would be useful for reference. Just setting up my VM now. Just setting up scratchbox in Squeeze as per this
xhost +local:
DISPLAY=:0 nohup qtcreator-2.4.1/bin/qtcreator
[sbox-FREMANTLE_X86: ~] > DISPLAY=:0 nohup ./qt-creator-linux-x86-opensource-2.4.1.bin