Category and genre thumbs and banners?

I was recently looking for category and movie genre thumbs and wide banners.

Although I found this very nice set of genre icon packs, I am wondering if there are more available.

Also would be great to have thumbs and/or wide banners for "HD videos"; "SD videos"; "Blue-ray videos"; "DVD rips", etc. I really haven't found good stuff for these.

Does anyone know a good source?