Flasher - Version 3.0 Flasher is a Windows (9x\Me\NT\2000\XP) screen saver that displays your favorite media files, slide-show style and supports the following file types: ASF, AVI, BMP, GIF, JPG\JPEG, MP3, MID\MIDI, MOV, MPG\MPEG, WAV, WMV, RMI.