I applied all changes to the issues submitted for Image Store 3.0 RC1 and other enhancements.
I found other issues on the Multisite feature. Please test it on your test servers and If I don’t get any issues in a week I will release the full version to the Image store repository. Image Store 3.0 RC2
Also check out the new image header for the plugin.
Thank you all for your help in improving the plugin.