I've had some marginal success using a garbage bag to line a 5 gallon bucket that I use to paint from using a bucket screen and a roller. Clean-up is a snap, but sometimes the bag will get in the way of the roller a little. Twirling up the bag excess with my finger and taping it to the outside of the bucket helped. Right now I'm thinking about whether to spray water or soap water to the inside of the bucket to make the bag cling to the inside.
Any other ideas?
P.S. I've already tried using loops of tape between the bag and the bucket and I didn't like they way that worked.