What if a company deems one one of your clichés interesting enough and considers buying it -for a commercial campaign for instance? One should always affix a copyright on personal artsy creations. ;)
Btw Graham... if you're looking for ideas, here's the site of my girlfriend's brother's...
I like the Water Tower series -contrasts, light, sky, model, viewpoint, it's all good. The rest I find too amateurish. That said, your kitchen in shambles is a nice shot.
:)