I don't spend any change-- if I buy something that costs $1.05, I pay w/ $2 then pocket the change. Later if I buy something that costs .50c, I pay w/ $1 rather than use my change. You'd be surprised at how quickly the change adds up. I also roll it as I go now and deposit it monthly, much easier than doing the marathin rolling sessions. LOL.
Some other ideas-- if you use grocery coupons, keep track of the amoint you save each time you shop & deposit it into savings. Also, if you decide to skip buying something (eating out, a cup of coffee, a movie, a new outfit, etc) put what you would have spent into savings.