For years I've been putting t-shirts in a box for the purpose of one day making a t-shirt quilt. This week I've cut out more squares and ironed each onto a backing. I want to put strips between the squares. I understand the basic concept of sandwiching a top, batting and backing, but I've never made any type of quilt before and I don't have a clue how to go about machine-quilting it. I think it would wear better if each square is actually quilted some, but am not sure if I should just randomly stitch or what. Any advice for a quilting newbie?