My vB: 3.8.7 PL2

I want to use a display name instead of username on the forum.
its a common feature on many forum.
can anyone tell how to do that?


Also,


Code: 
http://www.vbteam.info/vb-4-0-x-addons-and-template-modifications/54048-convert-thread-description-v2.html
want the same for my vB version!


Also,

Code: 
http://www.vbteam.info/vb-3-8-x-addons-and-template-modifications/17621-animated-flag-hack-3-8-a.html
want to install this mod

tried installing it, but it isnt coming up (it may happen that i am not doing any step properly!) kindly help.


Update: Flag Done(thanks to bluedevil) | 2 problems left

thanks in advance!
champ_007_bond Reviewed by champ_007_bond on . (Help Required) Display name+thread description+flag mod installation My vB: 3.8.7 PL2 I want to use a display name instead of username on the forum. its a common feature on many forum. can anyone tell how to do that? Also, Rating: 5