T4: Custom badges: (Need attach files permissions)
Upload your own badge with 't4 uploadbadge' command.
Give it to your members with 't4 givebadge @user_here badge_name_here'.
See their badges with 't4 badge @user'.
Nick colors: (Needs role permissions)
Add a new color with 't4 nickhelp'.
Check your users activity with 't4 top'.
See your own activity with 't4 rank'.