On Fri, 2006-12-29 at 09:21 -0700, Phil Meyer wrote: > gthumb seems to have problems with the 4 letter extension. This is a > bug. I haven't noticed that. All my website JPEG files, which do load fine in gthumb, are named: *.jpeg > I think that the author of gthumb might have gone to file extension > definitions instead of the more reliable 'file type' tests. That's an option in gthumb, but not the default (since it's slower to evaluate).