How can I edit my signature into my profile?

[spenardo]

I'm Israel Picon from NYC.I'm a 45 year old tattoo artist.I'm also like a newbie hee on this forum...I am curious as to where I acan edit my signature into my profile.Some members have madepoints about it in the forum.If its according to the posts how many posts do you need?Can someone clear this up for me?