I am not that great a swimmer either, I do sort of a cross between the crawl, and frog kick lol I move my legs like a frog, and my arms like the crawl. my favorite thing to do is swim under water like a dolphin, I stand straight up, arms at my side(in the water) jump up and dive under the water, I move by wiggling my body almost like a snake exept up and down inside of side to side if that makes sence(exept that I plug my nose lol) thats fun, and you can acually move pretty quickly that way. I dont know how people can go under the water with plugging their nose, I cant, I have tried everything people have told me to try, nothing works water keeps going up my nose, and makes me sick(and no I dont breath though my nose under water lol) I tryed blowing out threw my nose while going under, as many peopl ehave told me to try, water still gets up my nose