Joe Not Charles
Entropic Spheres, and immortals by sphere from the Mystara Message Board posted 21 September 2005.
Mystaran Immortal equivalents of 4E Gods from The Piazza posted 08 July 2008.
4E adventures adapted for Mystara from The Piazza posted 09 July 2008.
Soul Eater, 4E from The Piazza posted 04 January 2009.
Altered Savage Coast 4E campaign from The Piazza posted 07 February 2009.