Skins help transform the main window of Ay_Emul. Seek in archive with the Ay_Emul distributive: all the skins available at the time of its preparation were added. They were found on the Internet, or they were sent by users.
You can make your own skin using the Skin Manager II program, instructions and one of the skin templates. All skins and the specified program are published on the official site of Ay_Emul in the "Emulator" section.
To add your skin to future distributives and to the official site of Ay_Emul, you can send it to Ay_Emul author.