Read the topic.
Read the topic some more.
Then read this if you still have trouble.
For attacking a team--
Let's say you have two teams, Billy and Bob.
For the Billy bots, do the event Onbotspawn- setteamname- billy
Do the opposite for the Bob bots.
As for "dressing them up"
On Bot Spawn - Bot - EditAppearance - Set Node Color / Hide / Unhide Node etc.