EnKoDeur-Mixeur (EKD) is an open source software which makes videos, pictures and audio post-production. It can be also used to convert videos in many formats. It is written in python and use the PyQt4 bindings.
Please visit http://imgv.sf.net/ - IMGV is a cross-platform Image Viewer. Features include slideshows, exif viewing, histograms, gamma correction, adjustable thumbnails, playlists, website image extraction, multi-dir loading, movies, and much more.
MMPython is a Media Meta Data retrieval framework. It retrieves metadata from mp3, ogg, avi, jpg, tiff and other file formats. Among others it thereby parses ID3v2, ID3v1, EXIF, IPTC and Vorbis data into an object oriented struture.