Just had a thought: if the money thing fails, they could use their code to just create a karma network. Instead of money, pay with karma points. Might still be useful, even if working micropayments would be nicer.
We have talked about changing the currency of the donations. For example, if a site like Flickr or Tumblr had an Explore section where you could pay for placement, you could "gift" placement there. The currency is more eyes and ears for your content, though it might essentially be a $1 donation.
