image_science version 1.1.2 has been released!
http://seattlerb.rubyforge.org/ImageScience.html
ImageScience is a clean and happy Ruby library that generates
thumbnails – and kicks the living crap out of RMagick. Oh, and it
doesn’t leak memory like a sieve. 
For more information including
build steps, see http://seattlerb.rubyforge.org/
Changes:
== 1.1.2 / 2007-04-18
-
2 bug fixes:
- reports bad height/width values for resize
- explicitly removes ICC color profiles from PNGs (bug in freeimage).