Crochet Tin Cover

I finally tried out the pattern from Attic24.typepad.com for covering tin cans. It was quick and easy, I'm not terribly pleased. I followed the directions and it's cute, but by incorporating the loose ends in the next row, it made a bulge in the cover. So the pattern fits the height of the can in the front but in the back it is too tall. I folded it over for the picture, but it's not going to work. Perhaps I need a lighter weight yarn. No matter. I have another idea....