Maybe these steps will help you? If not, let us know!
1. Log into the forums
2. Go to classifieds section - you may need to log in again. Look over on the right side to either see that you are logged in or to login. Use your same login info that you use to log into the forum.
3. Click "place an ad" in the upper right hand corner
4. Select the appropriate text in the choice window (item to sell or buy) and then hit submit.
5. Select the classifieds section appropriate for your item e.g. vintage, newer or parts and hit submit.
6. Enter all text in the ad editor boxes and upload photos (if you have them). Photos are size limited. Be sure that they are 360 x 360 pixels or smaller and no larger than 60K.
7. When you are finished hit submit
You should see your ad post immediately