Thumbnail me is a free and open source thumbnails generator built on movie thumbnailer. Thumbnail me is coded in C++ and uses the Qt 4.8.0 library. This software is actually available on Windows Xp / 2k3 / 2k8 / Vista / 7 x86/x64 and Linux x86/x64.
Source Code : http://sourceforge.net/projects/thumbnailme/files/Sources/thumbnailme_3.0_Windows_Sources.zip/download
Source Documentation : http://www.thumbnailme.com/doc