go to
www.allyoucanupload.com
upload the picture from your hard drive.
when done, click on the "for a forum or message board". The text will turn black. Right click on the black text, select 'copy'.
Now go to the thread here on the forum and create a post. Right clink in the area where you type and select 'paste'.
Your picture will now show up in your post when you submit it.