you can
put a mask on a layer in flash. If you're dealing with graphics though it might be easier to just cut out the picture in photoshop and then save it as a gif/png with transparency
(
rogan,
Tue 6 Jan 2004, 20:28,
archived)
Flash works
best with PNG's and transparency btw :)
(
Darkedge,
Tue 6 Jan 2004, 20:58,
archived)