A feature-crept WireThumb replacement.
Updated 2008-02-08: Minor modification to account for recent versions of convert which broke height and width tags.
For greatest pleasure the Bourne-Again SHell and ImageMagick convert utility should be in your path.
usage: rabnail.sh [options] [filename(s)]
-o thumbnail type: jpg, png, gif [jpg]
-q quality: 0 smallest, 100 best [75]
-w width in pixels [150]
-b thumbnail border in pixels [0]
-p thumbnails per page [65]
-c gallery color or hex "\#ffffff" [none]
See example output here: http://g-cipher.net/~reboots/galleries/buspics/