Heart Shaped shadow mark at your feet with raising particle love hearts.. try it!.

 

Developers you can derive this, its a small shadow just under the feet, slightly tilted for best effect. Use a 256x256 image and an opacity to make the shape you want. You can change the particle to! particle name used is : particle.png

to learn how to change particles and some free samples to use

http://www.textures123.com/tutorials/particles/