Neat Image: A program that increases the quality of pictures.

GIMP: The free Image Manipulation Program.

Stage 6: Find a lot of interesting videos, in good quality.

Wink: Program to create Flash presentations (flash, exe, pdf are supported).

Linux & Webcams: List of supported Webcams in Linux (see as well links at the bottom).

OGMRip: Together with %newwin%[[http://lpn.rnbhq.org" target="_blank">Vobcopy, a great program to create your personal media library, riping your DVDs to the MKV container, keeping all languages and subtitles.

Screenr: Create screencasts without having to install a client application.