In order to post a photo, the photo needs to be saved somewhere on a server that is able to be reached via the internet. Typically, with your internet service, your provider gives you a certain amount of web space to store files or publish a website. It's usually 5 - 10 meg of space. You would have to save your photo in this space and then paste the URL to this photo file into your post. When you click on the "insert image" link when posting a message in this forum, some text appears in the post window. You would replace the letters "URL" with the URL of your photo's file.
This does seem like a lot of work to post the file. I've started this website without much funds and I certainly don't make a cent with it. I suppose I could have you email the file to me and I could post it, but that would eat up both my limited bandwidth and web storage space. If I could get some advertising revenue, I could pay for this additional bandwidth & storage.
UPDATE: If you can't figure out how to do it yourself, just email me the photo & description and I'll post it for you.