Make transparent images, and use CSS to choose the background color.
treee33247d4e0f0baa88d95ff9022e6c87b3c6761aa
-rw-r--r-- 3468 TODO.txt
-rw-r--r-- 119 commits_by_year.plot
-rw-r--r-- 187 commits_by_year_month.plot
-rw-r--r-- 150 day_of_week.plot
-rwxr-xr-x 14997 statgit
-rw-r--r-- 941 statgit.css