A few nice lens filter images I found:
Shot from shadows

Image by Vic Acid
Steve and John getting some shots of the lake from the pier.
Unicoi State Park, Georgia
mid-morning light
Bronica ETRS 6×4.5, 50mm/2.8 lens with #11 filter
Kodak Tri-X 320
Developed in Ilford Ilfotec DD-X @ 20C for 8 min (EI 400)
Scanned on a Canon CanoScan 8800f @ 1200dpi, no adjustments
My equipment

Image by wolfgang.wedenig
I’m currently using the following equipment – (photo above: out of date)
Body:
- Canon EOS 40D
Lenses:
- Sigma 10-20mm F4-5.6 EX DC HSM
- Sigma 28-70mm F2.8 EX DG Asp. IF
- Canon EF 70-200mm f/4L USM
- Canon EF 85mm 1:1.8 USM
- Sigma 150mm F2.8 EX DG APO HSM IF MACRO
- Canon EF 100-400mm f/4.5-5.6L IS USM
Flash:
- Canon Speedlite 430EX
Battery Grip:
- Canon BG-E2N
Filter:
- Hoya Filter Circular PL
- Hoya Pro1 Digital Filter Circular PL
- Hoya HMC UV(0)
- B&W Grey Filter 106
Bags:
- Lowepro Mini Trekker Classic
- Crumpler Pretty Boy 5500 "XXL"
Memory Cards:
- SanDisk Extreme III 1.0 GB
- SanDisk Extreme III 4.0 GB
- SanDisk Extreme IV 2.0 GB
- SanDisk Extreme IV 8.0 GB
Remote Control:
- Canon RS 80-N3
Tripods:
- Cullmann 54102
- Manfrotto 560B+234RC
Point and shoot-camera:
- Casio Exilim EX-S600
Previously used lenses and cameras
Body:
- Canon EOS 350D
Lenses:
- Canon EF-S 18-55mm 3.5-5.6
- Canon EF 50mm f/1.8 II
- Canon EF-S 60mm 1:2.8 Macro USM
- Sigma 70-300mm F4,0-5,6 DG
- Canon EF 70-300mm f/4-5.6 IS USM

Image by Vic Acid
[a bit of dust on the neg that needs to be cleaned up, but easy to look past for now]
Unicoi State Park, Georgia
mid-morning light
Bronica ETRS 6×4.5, 50mm/2.8 lens with #12 filter
Kodak Tri-X 320
Developed in Ilford Ilfotec DD-X @ 20C for 8 min (EI 400)
Scanned on a Canon CanoScan 8800f @ 1200dpi, no adjustments