Rented a Local Park/ No Caterer

Ok, so i rented space at a local park to have my ceremony/reception. My Aunt works for a Rental Co. that is providing me 2 huge tents. One to eat under and the other which will hold a wooden dance floor and DJ. And, my brother works at a bar & the owner said he would order extra cases or beer/wine and give it to me at cost which is certainly a great help! However,I really don't have the funds for a caterer or a sit down dinner, but I really want the illusion that i broke the bank with my wedding. I want cute little hors d'oeuvres, food to pick at that looks gourmet, and a great cake. PLEASE HELP WITH ANY IDEAS!!!!!!