You can challenge other teams to friendlies by going to their team page and scrolling to the bottom.
You can also post in the scrimmage ad thread in Global - English.
The draft takes place at the end of the season.
As for posting in the threads that aren't started by you, merely click "reply"
NO ONE at this table ordered a rum & Coke
Charles: Penn has some good people
A CT? Really?
Any two will do
Any three for me
Any four will score
Any five are live