Posting this here, since this is more about PS than photo taking.
With rty's permission, I have modified his picture "Three's Company" into 2 different versions.
First try: Changed the background to Seattle cityscape. This is just a simple trick in cut and paste. However, the boder treatment is quite troublesome.
Second try: This is my interpretation of what rty was trying to achieve in his post in the "Critique" forum. Extensive use of layers, feathering, cut and paste.....etc. This was much harder than I initially thought it would be.
Please give me your comments on the PS work.