The mpeg_encode utility allows you to take individual frames and make them into an MPEG movie, a popular though lossy animation format. You could then use mpeg_play (or any variety of other MPEG viewers) to watch the movie. The player is available on the department Suns. The encoder can be found at:
http://bmrc.berkeley.edu/frame/research/mpeg/Also try out mencoder and mplayer, a more modern MPEG encoder and player set, available here:
http://www.mplayerhq.hu/homepage/design7/news.html