Here is a tutorial on how to make a frosted radial burn.
no plug-ins required
Okay so here is your signature so far, not to flash.
First make a few sqiggles on the page with a dark colour and a size 2 paint brush.
Then go to
Effects > Distort > Frosted Glass > Maximum Scatter Radius > Set Radius To 8
Next go to
Effects > Blurs > Radial Blurs
Then Just Fiddle Around With the Angle and Centre. Here Is The Settings I Used
http://img4.imageshack.us/img4/6577/easycapture2ly1.png
Repeat this a few times with dfferent colours in different areas but avoid putting it over the face.
Finished Product