First steps in OmegaT
Here is the video Samuel Murray composed on how to work with OmegaT. Its length is estimated at 11 minutes.
Sorry, but most extensions allowing playback of videos in a wiki, have been marked as dangerous. Therefore, try to play the screencast, either directly with your browser or download the file and play the video using relevant software. The link is: http://ob.nubati.net/w/films/intro_omegat.flv