Whyw i cant post attachments ?

Hi guys.Could you help me with this problem?
I know .. When i start the threat I need to scroll down and it says Manage Attachments... BUT I DON"T GOT THAT OPTION!!!
"You may not post attachments"
Why ? Please Help


Thanks

Because you used a fake email address!

Ehm here:
I wanna post my mod and then that:

http://i45.tinypic.com/2e2h10h.png

Yahoo isn't the best e-mail browser to use. But I use it, but I used a hotmail for this account.