During the Slideshow, when you click on the [View Large Image] "magnifying glass" icon or click on the thumbnail, the image is 404. Reason being that the JavaScript rendered url is incorrect. For example:
Hello. The answer is located at: http://www.plogger.org/forum/discussion/1982/slideshow-javascript-hotlink-picture-enlargement-bug-in-plogger-beta-30/#Item_2