You can use WinAmp  ver 2.x skins to create flash mp3 players. You can find Winamp 2.x skins at http://customize.org/winamp2 and http://www.1001skins.com.

Please download all the skins that you like to one folder. Unpack .zip archives, you should have only .wsz skin files in your folder. Usually, FlashWAmp finds appropriate skins automatically. If you open the program and still can't see your skins in the list, please click browse skin folder... and select folder with Winamp skins manually.