A warm welcome to our newbies; come meet new and not-so-new members of Writing.Com!
You can't contact the entire group but you can e-mail or message the group leader. If you go to the group page, on top of it is the leader's ID with the envelope icon. Click on the envelope icon and send a message to the group leader as to what you wish from that group.
Writing.com how-to videos are at:
"Tap the Muse"
"Pass the Write-Baton"