Photo-shop can be used for other fun things as well tho:
Like planning out how in an ideal world you would like your car to look for example ^^,
My car as it is "pretty much" atm - (slightly older pic of it):
A "scenario" of many of how i would like:
I do use Photoshop for other things too, and I think if it can be used to remove a "blemish" from an otherwise perfect picture (ie the photo couldn't be set-up to avoid it) then there no problem with it. I would say probably well over 50% of pro photographers images are "tweaked" in various programs.
CJ