I just posted on the new flashcart thread to show interest (hopefully to help cheer on the development team), and wanted to post here as well to let you guys know that I'm here and happy to lend a hand.
I've done 2d assets for games since 2008 or so, and currently am employed by a Nintendo 3rd party developer as the primary pixel artist, but will have some free time coming up next month to dig in. (Kinda bogged down at the moment, so just putting this out to everyone as a whole in advance since it might give some guys time to hear about it while I'm wrapping stuff up over here.)
Typically I prefer to work with technical artists so they can ping me with specs to be sure that my assets are formatted properly, but I'm fine working directly with programmers, too! I'll have a look into documentation and individual ongoing projects when things start to quiet down on my end. In the meantime, if you're working on something that could use some graphical help, please feel free to link me to your thread and give me a rundown of what you're making and what assets you think you'll need. If you guys can assemble a wish-list of assets in advance, it'll help me knock them all out faster next month by hitting the ground running.
Oh, and my portfolio site is http://sepiarainbow.com/
It's due for an update, planned for next month as well, so pardon the outdated items; I have a massive catalogue of pixel art for my current main client, but can't post them until the game's announced at PAX later this month, so I've been putting the update off until then. There's a couple of recent Dailies on my twitter, though.