Anyone have ideas other than heart shapes?
If it is about symbols, I think I'd go for something like a candy heart or something neat.
The heart symbol is widely accepted as symbol for love – mostly in terms of innocent, deep and heartfelt sympathy.
In case you aim to be unique with your choice of a iconographic symbol; don't choose something unusual for the sake of being unusual.
Perhaps, if you have a specific context, it can be appropriate to choose something special, but that should be reflected carefully.
Lets say, you have a site about lashes-fetish or stuff – perhaps it'd do better to depict some lingerie arranged as a heart, or have black leather strings forming a heart.
Otherwise, if it is just a random context (what is yours?), I'd stick with the well-established standards.