Can't Post Links or Send Private Messages? Read Why Here!
You're required to have at least 15 posts to be able to post links. In the meantime, you can just put spaces in between them, e.g.: www . imgur . com, so the system doesn't recognize them as links and everything should be fine.
How to MPGH
As for your "New Member" text title, you can either buy Premium Member and request for it to be changed whenever and however you want (within the reasonable limits, of course. Mind you that profile changes are a perk, not a right ) or you can just wait to achieve at least 500 posts and request for it to be changed upon your request here: http://www.mpgh.net/forum/forumdisplay.php?f=118.