You know I have a similar site to Wilykat's so I hope he will forgive me if I help out a bit around here.
In order for you to post a pic here, you first need a gallery. It could be anything from Photobucket, Deviant Art, FileHive, even the galleries from Return to Thundera and EOT.
I know you have Photobucket Leppardra so I know you know how to upload photos so we can skip that part. Right now I'll tell you how to post an image here.
1. Find the pic you have uploaded to your Photobucket gallery and
right click on it. This will result in a drop down menu.
2. Go all the way down to the word Properties and click on that. This will send you to a new solid window with information on that pic.
3. Find "Address " It should look like
http://nameofart/images/4756485465 or something like that.
4. Copy that url. To do this hold the right click button down and run your cursor over the url until it is all high lighted. Release the button then
left click on the highlighted section and click "Copy" from the drop down menu.
5. Go to the page you want to display the art and start your topic. When you are ready to put the image on, type

(I have put a space between / and image so it doesn't mess up my post.)
The pic information should look similar to this:
< img>http://yourpicname/images/3738376383473 img>
(Again I put in some spaces so that you could see what it should look like. In actuality, there should be no spaces at all)
You're done! After you hit submit, your post should have your pretty picture up there, ready for complimants.
Hope that helped. ;)