If you're aware of things such as Facebook, Shaun (although it's perhaps best not to be, it's a massive time-eater), there's a 'like' button for pretty much everything, so you can show that you like something.
I'd say you need a like button for your photos, starting with this one (though I also like the yellow chairs (eurgh this sounds like a right suck-up/similar), but not enough to click a like button. Complicated or what.)
I could've just typed:
" I like this picture :) "