you could try: 1 open a new layer,2 give it the colour you want your frame to be, 3,go to your marque tool (the first on the left of your tool palet)now mark the area you want to cut out(Ad parts with shift held or subtract with alt held) now pres delete and yes, this should give you a frame. now got to :layer>layer style, and ad a bevel, emmboss or other effect to suggest depth. play around with this and you get amazing results!, have fun!