Originally Posted by DaleDe
There may be another difference. In Palm based products there is typically a limit to images of 64K bytes and in MobiPocket devices that are not running on Palms the images can be larger. The limit of 64K may no longer be true of Palm's either but was true in the recent past.
But the documentation for the MobiPocket format still says 64K (actually it says 61K or something like that). The Kindle format that is not strictly MobiPocket format does not have to follow this.
My Palm T5 has the limit at least.