Permatang Pauh in B&W

Date: Aug 2006
Location: Padi field beside (BKE-Butterworth Kulim Highway), Seberang Perai
Camera: Canon EOS 350D
Lens: Sigma 18-200mm F3.5-6.3 DC
Filter: Hoya CPL
Post editing: PS CS

Experimenting with some black and white landscape techniques, I'm not sure if they are acceptable ... anyway these are my best shots, any suggestion will be good .. do give comments, thanks...