Over the course of the past week, MacDesktops has posted 14 new desktop pictures, including: Chinese fresco (Art), Petra Nemcova (Portraits), and American Idiot (Music). Mandolux has posted a dual-monitor desktop entitled “Firefox – Always Use Protection.” Meanwhile, MacMonkies have four new desktop pictures and three new icon sets, and Iconfactory recently released “Monolith” System replacement icons for CandyBar.