The following issues mentioned in this thread have been identified and fixes should be in the next beta build:
*Incorrect image attribute is being modified when changing the ALT text value.
*Changes made to some image field values are not being retained after clicking the vertical scroll bar.
*onLoad 'imageURL has no properties' error occurring when launching Theme-It.
Also, if it is possible - please create a new thread for issues that you encounter.
Thank you all for the great feedback!