rm *.ptu
wget http://build.powdertoy.co.uk/snapshots/latest/win32/win32-no.ptu
wget http://build.powdertoy.co.uk/snapshots/latest/win32/win32-sse2.ptu
wget http://build.powdertoy.co.uk/snapshots/latest/lin32/lin32-no.ptu
wget http://build.powdertoy.co.uk/snapshots/latest/lin32/lin32-sse2.ptu