Cork base: http://www.fingolfin.net/cork1.php (link now bad 2/3/11)
Tartan: http://www.mordor.ch/swichert/miniatures/tutorial_tartan.html
Gem lighting: http://www.coolminiornot.com/article/aid/205
More cork basing: http://www.coolminiornot.com/go.php/go/articlephp/aid/239?