I have to get one myself! Entirely unique! How awesome to have Lego artwork on the wall!
So I scoured the net for more gorgeous inspiration:
Starry starry night, Van Gogh; image from Ed Hall's site, complete with details here.
Spock from Star Trek; by artist Motion5, as found on technabob.com
Alfred E. Newman, by artist Motion5, as found on technabob.com
Escher's, via here, taken at Legoland 2006.
My favourites are the Lego renditions of pop artist Roy Lichtenstein:
Kiss V 1969, via Brickworkz
Girl with Hair Ribbon, by Eugene Tan, via Brick Pop
Wham!, by Flickr user pricer45
Sunrise, via Moc Pages
Oh and check this awesome conference-size table made from Lego! I love it :) Made for advertising agency Boys and Girls, this bespoke beauty is made up of 22,742 lego pieces.
Image, and more information via walyou
More on another awesome Lego project soon...
You can buy your Lego bricks from Brick Link.