Cassia Riley was the 2006 Penthouse Pet of the Year Runner Up. The winner was Jamie Lynn. Here is a link to her. While she is smokin', I don't think she's hotter than Cassia Riley.
http://www.pier999.com/galleries/i-j-k-l/jamie-lynn-01/f001.jpg
Cassia Riley got robbed!!!...I guess. I don't know how penthouse picks its pet of the year.