Add this Code to your CSS
text-decoration: none !important;
text-shadow: 0 0 0.2em yellow, 0 0 0.2em yellow, 0 0 0.2em yellow;
0 0 0.2 is the size of the glow and yellow is the color.
And for the user you want to put glow can change by change the u1 to hes user id
just change the href="/u1"] to what ever the user id is what some 1 have you can get it if you go on the user profile and look the link address there is last number the ID.
Add this code to your CSS
background: url("http://i35.tinypic.com/pxg87.gif")repeat 0 0 transparent;
Also you can change the blink by change the link address there you should able to add also image there but try out yourself