Hey I am the creator of the script a-desk, thanks for this publication. Greetings!

I have not got 2 monitors, so I did not think that part when you create the script. Sorry. Even so feel free to modify to your taste and needs. Thanks for use a-desk

Of course, with the new version, check it: http://www.laliamos.com/2011/04/07/escritorio-animado-en-linux-animated-desktop-in-linux-a-desk-v18/

Just posting the relevant lines I had to change to get dual screen working (same video running on both screens)

#Following was xwinwrap_APP
export xwinwrap_ARGS=” -ni -o 1.0 -fs -s -st -sp -b -nf — mplayer -wid WID -quiet -nosound ”

#Following was single line using xwinwrap_APP
xwinwrap -g 1680×1050 $xwinwrap_ARGS ~/.v.a-desk/atomic_city.wmv -loop 0 &
xwinwrap -g 1680×1050-1+0 $xwinwrap_ARGS ~/.v.a-desk/atomic_city.wmv -loop 0 &

#Ditto
xwinwrap -g 1680×1050 $xwinwrap_ARGS $FILE -loop 0 &
xwinwrap -g 1680×1050-1+0 $xwinwrap_ARGS $FILE -loop 0 &

Not extensively tested. Depending on your screen geometry you may need to play with the resolutions and offsets (I think my secondary is on the left so i need -1+0, if it was on the right it’d be +1+0 and +0+1 if above)