Thumbnail Quality

Now while I like this plugin and will give it a star rating of 3+ my only observation as a photographer is that the thumbnails in the albums are rather blurry. As seen in this Album. When clicked the photos are sharp and clear. Anytime you have a good photo and reduce it in size it should remain as sharp or sharper. So there is a problem in the thumbnail part of the program.
So is there a way to fix this?