By the end of march there are two important deadlines.
The first is a chance to enter in the “Blender Hall of Fame” by creating the splash screen for the new upcoming 2.57 release. On BlenderArtist forum, in the related thread, it’s possibile to read contest rules [ Blender 2.57 Splash Contest ] and to download a template image.
The second is a chance to enter in the “LuxRender Hall of Fame” instead by creating a splash screen that will be used in the new RC 0.8 release [ LuxRender 0.8 Splash Screen Competition ]. In this case there’s a mandatory element: volumetric scattering