Just guessing: maybe you were trying to past the photo directly into your post - that doesn't seem to work. You have to get your photo from your "member photo album".
I had a look, and you don't seem to have a "member photo album". The first step is to create one.
Log in.
Click on "View profile" (up near the top, just under your name).
Now, click on member photo albums
Now click on "Add album"
You have now created a photo album which is part of your profile. You can give it a name. You can upload photos to it. If you click and copy photos from your album, they will paste directly into your post. (When pasted in, you will have to highlight them and find the little sizing handles, and size them down to about 3/4 the width of the text screen).
(In the text of your post, you can also make a link to a photo in your album, but for some strange reason the link must be to the photo which is in another part of your profile, that is: "My Directory Profile" not "Member Photo Albums". A link to a photo in "Member photo albums" will be seen only by you, whereas a link to a photo in "My directory profile" will be seen by anyone who clicks on it).
In case you know all this already, the only other things I can think of which might be preventing you are: (1) some steps of the procedure seem to be very slow - you have to wait quite a few seconds (2) not all file formats can be uploaded. I have found that JPEG files upload OK but PDF files, for example, do not.
I hope that helps.
PS I love these unconventional but hightly practical designs. Your 5-plank slot-top camper-cruiser ought to be about the ultimate, with a junk rig. I enjoyed reading through your Blobster Group blog. Please do send photos, and a report on your junk rig conversion.
