Don't have a clue about posting pics but I think thee must be instructions somewhere on the site
Posting pics is easy to this site.
Step 1) Google ‘imgbb’ free web hosting site.
Step 2) Click on the ‘start uploading’ blue tab in the middle of the screen.
Step 3) choose which file you have the pic(s) saved to.
Step 4) select the pic you want to post.
Step 5) hit the ‘green upload’ tab.
Step 6) click on ‘embed codes’ select ‘bbcode thumbnail link’
Step7) click on ‘copy’
Step 8) paste the copied link onto the reply box of this site, then hit submit.
They appears in thumbnail size, just click onto the pic to view full size. This tutorial works with your computer or with, what I’m using Apple product iPad and or iPhone. It’s fee and you don’t have to save pics to imgbb. Easy Peazy…