I really enjoy running Angelica, she gives your oponent something to think about, as she's not often seen (or considered) by a lot of players.
the base of my showgirls crews are (25 SS);
Collette + 1 dove,
Cassandra,
Angelica,
performer + maniquin.
strats and schemes will vary what I do a little, but as a general rule, I try to keep Angelica near Colette to gain the extra WP from Colette, and then use Angelicas' ability to make showgirls immune to falling back. this can create a bit too much of a 'bunch' in the showgirls crew, so sometimes its good to drop back a showgirls behind your line for the Colette rescue swaps!
With Angelica in attack I will use the shout (hoping to drop the blasts), and try to either have a dove nearby to allow Angelica to use a soulstone to boost the attack if needed. I have also once had luck with triggering the paralyse (when oponenets hand was depleted), and using the normal showgirl movement tricks to get poison 4 on the paralysed model, but this is most definately one of those nice if it happens, not a reliable tactic.
Hope that helps and gives you some ideas, if you want something more in depth I can post up some other things when I have more time to organise my thoughts