A challenge! I own the older brother America, but found the following links depicting stock color options for the 2002-2007 (Bonneville)/America and 2003-2007 Speedmaster.

Bonneville America/America
2002 Colors
2003 Colors
2004 Colors
2005 Colors
2006 Colors
2007 Colors

Speedmaster
2003 Colors
2004 Colors
2005 Colors
2006 Colors
2007 Colors

Here’s a nice site for Wallpapers

Regards,

Tom