This is a 100% public domain repository. If you contribute anything to this repository, you are acknowledging that either the media was already in the public domain or that you created the media yourself and you are releasing it to the public domain.
Sound files should be 22050Hz, signed 16-bit (little-endian), 1 channel (mono) PCM audio saved in a WAV file format.
Images should be at most 160 pixels X 120 pixels, 1 bit per pixel saved with the PNG file format (this allows them to be scaled 2X on a 320x240 screen).