Spore:2F4E681C

copied from: http://www.customsims3.com/forum1/YaBB.pl?num=1214408105

// File Format Specs
// Header:
//  DWord type? [1L]
//  DWord width
//  DWord height
//  DWord mipmapct
//  DWord pixelwidth
//  DWord pixelformat? [0x0015]
//
//  For each of mipmapct:
//      DWord blocksize (this must be width*height*colors*pixelwidth, in bits)
//      Byte[blocksize]  (this is the actual raster data stream)
//