Member Group

I've seen this on many forums and I would like this too. How do you make a members group so when they sign up they get added to that group?

Go To Admin PEnal >>>>> User & Group >>>>> Group Administration>>>Create new group Now

Group name : Global MOderator
Group description: All Forum
Group Members Color : Select U want
Color Group Members : YEs Click
Group Order : As U wish Set After Group Like 2
Group status : Opened group OK
Permission to send PM Mailings : Admin
Group auto-subscribe : No

& Now Formal USer Group Auto select User Own Posting Like This

Group name : Attrective User
Group description: Active Member
Group Members Color : Select U want
Color Group Members : YEs Click
Group Order : As U wish Set After Group Like 3
Group status : Opened group OK
Permission to send PM Mailings : Admin
Group auto-subscribe : Yes >>>> So Give Ur Posting Seting Like 100 Means User Crosing 100 Post Then Thay Go User Auto Moved This Section

Hope U Understand
Regards Decent Boy