MW Frame Edge Effects Photoshop Template Set has 36 - 8 x 10 x 300 ppi Frame Templates with Graphic Edges. Go to Frame Edge Effects Gallery to see how one Template can create 18 variations. $19.95
Actions are compatible with Photoshop CS2, CS3, CS4, CS5 and CS6.
Instructions: Select bottom layer. Paste your images above bottom layer, but below Template Layer. Size behind Template opening using Transform, while holding shift to constrain proportions. Set comes with Action to set up layers for masking. Download link provided immediately.