1. Add the following lines to your .mailcap file:
#
# Movieplayer understands SGI, QuickTime, MPEG Video, and MPEG Systems
#
video/x-sgi-movie; movieplayer -f %s; compose=moviemaker %s; \
description="SGI Movie"; \
x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
video/mpeg; movieplayer -f %s; compose=moviemaker %s; \
description="MPEG Movie"; \
x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
video/x-mpeg; movieplayer -f %s; compose=moviemaker %s; \
description="MPEG Movie"; \
x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
video/x-mpeg-system; movieplayer -f %s; compose=moviemaker %s; \
description="MPEG Movie"; \
x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
video/quicktime; movieplayer -f %s; compose=moviemaker %s; \
description="QuickTime Movie"; \
x11-bitmap="/usr/lib/Zmail/bitmaps/movie.xbm"
2. On your Athena account, add the following lines to your .environment file:
setenv XFILESEARCHPATH /usr/lib/X11/%T/%N