Help needed for my birthday!!!

I seriously in need of help i've given out invitations for my birthday and i'm having a barbecue and we're going out and all but i problem is i don't know how to make a barbecue!!!so yea i can't eat pork and beef thats for sure..so wat kinda food can i buy to barbecue i mean i know chicken and all but how many pieces to serve at most 25 people??and how much would it all cost including all the utensils used and i'm doing it in a barbecue pit...

just to make it short

please reply on wat food i can buy and how many pieces must i have to serve 25 people and how much would it all cost including the utensils and what are the utensils i would need!!!!

PLEASE my birthday party is like in 3 days time!!!

Hot dogs and hamburgers for the people that don't like new things

BBQ ribs: get a set of ribs, marinate in BBQ sauce and then grill

Grilled corn: get corn in the husk and grill it

Sides: potato salad, chips and deep, veggie platter

Thanks alot can't wait for my birthday!! :]

Why dont you just hunt? and burn. thats cheap.