There is an interesting e-seminar today 9-10 A.M (U.S/Pacific) by Giorgio Natili hosted by Adobe: Embedding Video and Sound in Flash Lite.
# The basic concept of video and sound for a mobile application
# What video and sound formats there are (3GP, Real, Flash Video, MP3, etc.)
# What video and sound formats are and are not supported on mobile devices
# How to embed video and sound into a Flash Lite 2.x application