not exactly sure, it seems to be creating 0 length images for some users, but appears rather random. I ran it individudally for you and it worked ok.
Gopher ? (it's the staticimage.php script in the /home/stats.free-dc.org directory )
I'll take a look later on.
Semi-retired from Free-DC...
I have some time to help.....
I need a new laptop,but who needs a laptop when you have a phone...
Now to remember my old computer specs..