Sorry for the late reply. I'm not a designer myself, just know when a final design is bad or good. You don't need something flashy. Something Neat, simple and

Sorry for the late reply. I'm not a designer myself, just know when a final design is bad or good. You don't need something flashy. Something Neat, simple and attractive that gets the USP across will do. Check out the sites of some of your YC classmates, like Indinero for example.