flashflash only has bootlegged original songs. play the official konami songs man.
play with actual pads hooked up to a joypad in ur comp's usb port. dl all the songs elsewhere. i personally have 1st mix, 2nd mix, 3rd mix plus, 4th mix plus, 5th mix nonstop, 6th mix ddr max, 7th mix ddr max2, 8th mix extreme, anime mixes 1-3.
and just to get you drooling over my 1337 5K11Z
i think i did this on feet too.