Shooting blanks

What client wouldn’t want to see how its new logo might look on a giant poster site, or screen-printed across a T-shirt or canvas bag? Image templates such as those from LiveSurface and PrestoVisual can help designers to show proposed work in the best possible light – but, as the realism increases and work spreads online, does it matter that it’s now becoming so much harder to work out just what is real and what isn’t?