I think that gimp should use the default browser chosen by user instead of firefox. I already sent this to upstream: http://bugzilla.gnome.org/show_bug.cgi?id=522483 And has been already fixed in 2.6 branch I attach a patch and an ebuild diff for fixing this thanks a lot Reproducible: Always
Created attachment 147254 [details, diff] ebuilds.diff
Created attachment 147256 [details, diff] gimp-web-browser.patch
thanks, fixed