The part in the comic about the client photoshopping the design a bit seems fine to me, as long as they are just moving components around the screen (switching

The part in the comic about the client photoshopping the design a bit seems fine to me, as long as they are just moving components around the screen (switching column locations, etc). I wouldn't blanketly suggest it is bad for the client to do this, since it may be easier to communicate what they want in photoshop than in text.