Here's something pretty neat that I found. To celebrate the upcoming port of Final Fantasy VI for the GBA, Square-Enix had different artists from Shonen Gangan create promotional artwork.
Here's a Relm one, courtesy of Shiro Amano, artist of the Kingdom Hearts manga:
http://www.rpg-reich.de/display.php?site=news&id=7692
Next is Eito Mizuno of Spiral fame:
http://www.rpg-reich.de/display.php?site=news&id=7688
Next is Seishi Kishimoto, artist/author of 666 Satan and brother to Naruto's creator:
http://www.rpg-reich.de/display.php?site=news&id=7689
Ichtys of Superior:
http://www.rpg-reich.de/display.php?site=news&id=7690
And finally, Ryunosuke Ichikawa of the Final Fantasy: Crystal Chronicles manga:
http://www.rpg-reich.de/display.php?site=news&id=7691
Edit: Eh, guess RPG Gamer doesn't allow direct linking to images. Ah well, they should work now.