If you type /client you will get the glowing that you get when you qualify for a new skill. I made myself a macro for this that goes like this:
I named it Glowy
/client
/pause .01
/macro Glowy
If you do it 4 or more times you will look like a huge beacon, or an ion particle cannon from Command and Conquer Generals

. For those of you DBZ fans, two of them activated at once sorta looks like you're going Super Saiyan
NOTE: The glowing may stop every once in a while, and I've noticed that if you activate more than 4 macros at a time it will begin to cancel those macros.
Thanks,
Ixen
Also, try to not show this off in front of everyone, Devs might not like us being shiny people
Er... I haven't gotten any feedback and I'm pretty sure this hasn't been posted, looking at the topics in the other boards. This command is valid and working, and I'm not getting any recognition after over 15 views... (not trying to be disrespectful, of course. I was sharing something that some didn't know and got no recognition).