The site took ripped all the images from original source without including the Japanese translation of the crest and just presented on their own blog in a list. Sure, they credited the source, but the idea of ripping all content from another site without really adding much to it seems kind of scummy. For example, if I liked an illustrator, I'd just choose a few of their works to highlight while linking back to their website to see the remainder of images.
Sakana restaurant in DC has really cool placemats that are tiled with these. They look similar to <a href="http://www.zazzle.com/kamon_pattern_cloth_place_mat-193223188462171600" rel="nofollow">http://www.zazzle.com/kamon_pattern_cloth_place_mat-19322318...</a>
For a much larger collection, there's <a href="http://kamondb.com" rel="nofollow">http://kamondb.com</a>. The navbar at the top jumps between categories. e.g. Plant-related kamon: <a href="http://kamondb.com/plant" rel="nofollow">http://kamondb.com/plant</a>.