Move items from one gallery to another
Step 1 - Edit your gallery where you can see the page "SELECT ITEMS FOR YOUR GALLERY" - See screenshot: http://postimage.org/image/k02ul06yx/
Step 2 - Remove items first from the specific gallery.
- Hover your mouse to an item then click "remove" - See sreenshot: http://postimage.org/image/celva2aal/ - You should see a red minus sign when it's removed
Step 3 - Find and add item to your specific gallery.
- Go to your gallery where you want to item to be added
- Find the item and hover your mouse and click "Click to add" - See screenshot: http://postimage.org/image/rds7qz31v/
In this case, the file is located in CloudDrive 2013 Main (37) - You should now be able to see the item moved to the other gallery