ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/source/xap/gimp/  direct

928 B  2002-01-29slack-desc  3606+ mirrors
3.15 KB  2009-06-09gimp.SlackBuild  64 mirrors
15.33 MB  2009-03-16gimp-2.6.6.tar.bz2  305+ mirrors