You might have heard about the uproar around JPEG, with some company wishing to enforce its patents on it.
Here might be a viable alternative, provided it becomes a mainstream format (and doesn’t pull the same thing in a few years as the above company is);
DjVu boasts improved compression, memory use, and speed of rendering over JPEG/JPEG 2000, GIF, special fax formats, and even more extensive formats such as PDF.
If You’re unaware of the JPEG uproar :
Suddenly a JPEG Patent and Licensing Fee
