Middle-aligned titles is the FancyBox default when you use Title position 'Float' or 'Inside'. The other two use let-aligned titles. You could change this by either installing the plugin Safe CSS or editing your themes stylesheet and adding this rule:
About the title being jammed close to the facebook like button, you can give some margin style rules to the iframe... But I understand you have too many images on your site.
Disabling right-click will be an option in the next release but for now, you can add this code to a text widget in your sidebar or footer:
This will disable the right click context menu and prevent dragging images. However, it is impossible to completely prevent download of your images since the source URL in each link is still visible and direct access to these files cannot be prevented. Otherwise they would not be visible on your site...