Especially with the introduction of multisig, it would be a cool idea to build a relatively simple 'smart contract' kickstarter/reverse kickstarter on top of CounterParty, where community can collaboratively chip in funds to realise the development of smart contract dApps.
This is a really good idea, and luckily very easy to do. "Kickstarter"-style contracts have become a really common proof-of-concept in the Ethereum world. Here's one in Serpent: