Check out this list from Bernard Lunn over at Read/Write Web describing 13 seed-funding options for entrepreneurs. It’s very useful, and Lunn has a great writing style.
Self-fund on credit cards and a second mortgage. You are brave, maybe brilliant, and maybe stupid. Just don’t expect any VC to give you more than words to recognize your courage. And also remember: it will take more capital than you think. Self-funding is not bootstrapping, it is just using your money and not somebody else’s money.