files have been glued using mencoder . mencoder mf://import-25countries-*.png \ -mf fps=1:type=png \ -ovc lavc \ -lavcopts vcodec=mpeg4 \ -oac copy \ -o video-commerce_imports_25.avi The Ogg Theora version of the video has been obtained by using ffmpeg2theora . ffmpeg2theora video-commerce_imports_25.avi Tags: R One response so far Nov 23 2011 From the Chicago