1. Log into your google account.
2. Click on the nine*dot google apps menu and select Photos
3. Select Albums from the left hand menu
4. Click the plus icon to create a new album
5. Add a photo and click Create from the upper right corner
6. Give it a name ,like say "Excalibur Forum" and click the check mark
7. Now click the three dot menu at upper right and select Sharing Options
8. Click the toggle to turn on sharing and then X
All of the above you only have to do once. Now any photo you add the your shared forum will be viewable by others.
To get the photo to appear in a forum post do the following:
1. Click on any photo you want to share and select it so it fills your browser and six menu options should appear in the upper right hand corner.
2. Click on the share icon and then choose Add to Shared folder and select your Excalibur Forum folder ( or whatever you name it )
3. Now go to your shared folder, select a photo and then right click on the image and your browser should show a drop down menu. Select (left click) the menu option titled Copy link location.
4. Go to your forum page where your typing a forum post and click in the Img option. Now press Ctrl-V or right click and paste between the img tags.
Tada!
postimage.org is much easier, but if you dont like having multiple accounts scattered all over the interverse, then the above works.