And another update, as 100contest posted winners just after I updated this morning. Congrats to rillaith who won! So it's her icon/header/friends only banner that are now the layout for the community. My own entries did respectably - we only voted on the headers, which is probably just as well for me as my friends only banner didn't quite work as I wanted it to.
Friends only banner:
And, I suck and forgot to patch Civ3 Conquests to 1.22 before starting the PBEM game, so had to restart it. On the plus side, I fixed the pluralisation of the names :)