The people who ought to have quite a few ideas about what you can do with condensed milk could well be the same people who make it ;-)
http://www.carnation.co.uk/recipes
Yeah society.. Its Scottish and it's a wee bit crunchier than fudge (If made correctly that is lol). I can remember trying to make it with my dad for the first time. I think he actually forgot to put in the condensed milk and it didn't set and was just a big gooey mess! haha