To get Tux to walk across both monitors all you have to do is:
1. first open the widget with your zip program of choice and extract the file called Tux'n'tosh.kon.
2. Open the KON file in any text editor.
3. Find the line that says R_EDGE = screen.width;
4. Change that to R_EDGE = screen.width * 2; assuming that both monitors are the same resolution. Other wise just add + [whatever resolution width].
5. Add this modified Tux'n'tosh back into the widget using your zip program.
6.… Open Tux back up and set Tux to walk left or right and he will walk across both monitors.
This hack works for up and down as well if for some odd reason you have your monitors on top of each other (virtually speaking).
Also a bug seems to happen when I attempted to slow tux down to .5 instead of 2. He would get to the edge of the screen and and stop moving but continue the walking motion.More