I’ve made a few improvements to Squash (formerly known as squeeze). Hopefully it has become a more reliable batch image resizer now.
The major updates for this upgrade include better threaded support, bug fixes, an Ubuntu gutsy package and a Windows binary. The Windows package has been compiled with a static build Qt 4.3, and should just run on any windows platform.
Enjoy, and please report bugs to the bug tracker.
Downloads: A source tarball, Ubuntu gutsy package and a windows binary can be found at the downloads site here.