That's a great idea too, and it could fall into edible plants to make the program more enticing. A lot of current jailbroken apps I've seen are built for really technical people, and I think the iPhone needs to move in the direction of swallowing up as many demographics and niche markets as possible. Any topic that people can buy books on is worthy of a better program for download. For example, lots of vegetarians buy vegetarian recipe books with photos. Lots of people buy recipe books for vegetable and green juices. Any kind of reference should be moved to the iPhone and work with zip code. Plus, the information could be added and updated, increasing the value of such references. This is a little bit different than creating websites. For example,
Epocrates is for drug reference.