Mucho Software (http://muchosoft.com/) has updated MuchoThumbs Pro, which lets you create thumbnails of web sites, to version 4.5.
This version brings full compatibility with Mac OS X Snow Leopard. It also boasts faster startup and faster folder reading, saves plug-ins in Application Support, fixes various little bugs and provides a Spanish translation.
Version 4.5 is a free upgrade for all 4.x users. For new users the cost is US$40.