I have written a vhdl code for some image processing algorithm and I want to download the same to the FPGA kit, SPARTAN 6. After I download the code, I want to check the performance on the architecture. For that I need to input realtime image data to the board and in the end processed data output in the end. Can anyone suggest me what kind of interface cards to I need for providing data to the Board and taking processed data out of the board???