Here are some illistrations of what they look like. Not exactly for me but close. I am still looking for some vivid animations. I am so glad I am researching this online. It makes me feel so much better to actually SEE what other people see.
http://www.migraine-aura.org/EN/Delia_Malchert.html
Mine are Quite sparkley and today I actually saw RED in them. Something I haven't seen before. I do time mine and it's usually 30 minutes from the first little blind spot to the end when it makes it's way left out of my visual field. At about the 1/3 point I am useless. I can't see anything BUT it and that's when Panic sets in.