Jay Luto, HanshaSuro: oh...... sorry!! I did't record down the step when i took the photo. But, the sectrets of the white background that i use the flash project to the wall. Use a fast shutter speed(1/200) to freeze the fishes and small aperture (6-9) to capture more light. In addition, use a fan to blow the tank surface let it be a ripple.
The tank config as follow:
Tank size: 14"L X 9"W X 10"H - 20L
Lighting: T5 8W X 5 (8 hours per day)
Substrate: ADA Aqua Soil Amazonia
Fertilzer: ADA Step1, ADA Bright K
Plant: Heminanthus micranthemoides, Junior sword plant
Fish: Spotted Rasbora (Rasbora maculata)