X-Face

X-Face is a compressed image format that can be placed in an email or Usenet newsgroup message header. It is expected to contain the sender's picture or avatar. It is a 48×48 bi-level image.

Software

 * compface-1.4.tar.gz ( to convert to XBM format)

Links

 * Faces Archive - Lists some X-Face resources
 * Online X-Face Converter