Theses files found in H3BITMAP.LOD are non-animated drawings.

• [0000h] = who cares?
• [0004h] = width
• [0008h] = heigth
• from [000Ch] to [000Ch + width * height] = bitmap 256 colors; warning: lines are put from top to bottom (which is different from BMP structure)
• and then while [0300h] = [0100h] * RGB components for colors palette; warning: Blue then Green then Red

Easy, isn't it?