Simple photo fade in out

Dear people of Kirupa

I have a MC in flash project, I would like a picture fade in/out seqence - all I would like is to start with one pitcture and then fade into the second and then into the 3rd and then fade back to the first picture (and keep looping). I have managed this using the tween method but when the movie gets to the end it returns to frame one with no fade.

Is threre any way this can be overcome, or a tut I can follow?

Many thanks

Joe