Where to buy (affordable) art?

Where to buy affordable art? I've always tried to copy the great (usually abstract) works that I lust after, but with a pricetag beyond me. But now Wills and I have decided to buy our first real artwork as a Christmas present to each other, the question is what. And from where.

Our search begins. But the first thing I've fallen for is WAY beyond our budget: These Penguin-inspired paintings by Hardland Miller...





Bit glum? Or tongue in cheek?