Thumbnails are created from publicity photos or similar materials when practical. Others are, indeed, portions of copyrighted works, but are used only to reference those works. Pleasant Graphic Design Plenty of visual white space. This can be tricky since most browsers ignore white space. Use small graphics to break up the monochrome monotony of black on gray text.
Buttons look like buttons.
No image maps are currently used because they don't provide proper feedback for the clicked selection.