I stumbled across this the other day: http://codecanyon.net/item/magnifying-glass-effect/141589 http://codecanyon.net/item/magnifying-glass-effect/141589 Costs

I stumbled across this the other day: http://codecanyon.net/item/magnifying-glass-effect/141589 http://codecanyon.net/item/magnifying-glass-effect/141589 Costs $5 and I haven't tried it so can't comment on how easy it is to work with but there are some demos. Hope it helps :-)