Instagram has become an iPhone photography phenomenon (although not everyone likes it), but like any online community with that many participants, it can be hard to find the really good stuff.
So English developer Elliott Kember has put together Instagre.at, a site that slurps up popular photos from Instagram HQ and spits them out in a very desktop browser friendly way that lets you navigate with your arrow keys.
You can flit left and right through the popular images, but try hitting the down arrow too: it lets you drill into further lists of images using a particular Instagram filter, or by a particular user. Use the up arrow, or the Escape key, to go back to the popular list. Neat stuff.