FYI -- because I want to give back a little to all the people here who work so hard on creating/modifying these hacks, I've created a couple Multihack files.
I upgraded my test board from UBB 6.2.1 to 6.2.1.1 (did a full upgrade & erased all the hacks so I could start fresh).
I then tested the Multihack file I created for the SmilieMod Dropdown box, and it installed flawlessly.
The Multihack file is at
http://adwoff.com/SmilieMod6211.mhp I tried to credit all the people I could think of--because trust me, I didn't write or alter the code. I just followed the text instructions that were created ... and I leaned on the help of Clankiller to help me clean up the mistakes I originally made.
I hope I've followed protocol.
I do have it installed on my test board. It's at
http://adwoff.com/ubb-test/cgi/ultimatebb.cgi