Whilst browsing through the PayPerPost forums, someone linked to their blog (Call Me When You Get There), which caught my attention, as this is the sort of thing Ira often says to anyway leaving our flat when it is dark outside.
Anyway, whilst browsing through her recent posts, I came across this video –
Basically it demonstrates just how much can be done with Photoshop, when the original model is not quite what you wish to present. Many thanks to Jackie for finding it.