audio/basic; play %s $COMPOSE=xterm -e audiocompose %s
image/gif; xv %s $COMPOSE=xgrabsc -s 2 -xwd | xwdtogif > %s
image/tiff; xv %s
image/jpeg; xv %s
video/mpeg; mpeg_play %s
message/external-body; $COMPOSE=xterm -e extcompose %s
application/postscript; lpr %s
application/pgp; xterm -e pgp %s 
text/richtext; xterm -e richtext %s
text/html; remotescape file:%s