you cannot upload a picture to this site (all except char pictures and account ones), but you can upload it and then refer to it like those two above me said they do. If you're trying to make it your account picture, then goto settings and its on the very bottom on the left side.
This thread is closed to new posts.
However, you are welcome to reference it
from a new thread; link this with the html
<a href="/bboard/q-and-a-fetch-msg.tcl?msg_id=001jM5">put a pic on forum</a>