So in practice I'm not really seeing what everyone is so enthusiastic about ;-(
Could there be some other setting I've missed that may be contributing to this?
-- Terry, West Sussex, UK
Terry, I'd bet a nickle you're problem is a result of you having an out-dated video card. Image overlays can take up a lot of video card RAM and if you have an old 32 meg video card, you will run into a brick wall very quickly.