Left side column modification Help

[GoNZo_]

I have installed left side column hack and i want to add some stuff there, how can i put login form, and when user logins it will show he's avatar and all info like in postbit, something like this

Name
Rank
=====
avatar
=====
You last visited: Today at xx:xx
Private Messages: Unread x, Total x.
Exit xxxx(name)

And if user not loged in it will show login form, something like this

Name
Password
() Remember me
[Login]

Hope someone will help me =)

[GoNZo_]

Anybody plz