While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
Note: This feature may not be available in some browsers.
The sticky shows how you can post a pic from your URL/ cloud or Photobucket.
I have none of those..... simply pics on my own computer at home. Most websites give you an option to upload from your device...am I missing a link or something?