I a few Kbs, here you can find some tools to help you to develop image and video effects with frei0r library which is used by a number of video editing programs in Linux.

Download

Version 0.2 (May 2013) : Download frei0r_utils.tar (3.3Kb)

Examples and documentation

You can find some examples in these websites.

Generando fotogramas de vídeo con frei0r (only in Spanish, sorry)

I hope I can add more documentation soon.

Photo credit

Eurobas