Shoutbox

Theme Switcher can be found here: http://boren.nu/archives/2004/10/13/theme-switcher-plugin/

Simply place the php file in wp-content/plugins/, then activate it via the admin.

Just something you could try (but you would need to edit the style.css to change the template name recognised by Wordpress), is to simply take one of the SE packages, and overwrite all the image files with  the ones from your LE edition. Should work, as I don't think I change any of the image dimensions in the php code. See if that works.