Do you have questions about Java or game design in general? Explore the following websites with basic game design resources:
The jMonkey team recommends the following books and articles:
Free e-book The Lucu Guide for Creating Video Games by Taksan Tong (http://lucu.googlecode.com)(under Downloads)
The article Why You Shouldn't Be Making an MMO (http://www.gamedev.net/blog/355/entry-2250155-why-you-shouldnt-be-making-an-mmo/)
The book A Theory of Fun for Game Design by Raph Koster (http://www.theoryoffun.com/)
The book Texturing and Modeling by Ebert et al
The article Entity Systems (http://entity-systems.wikidot.com/)
When you search for free media, such as 3D models, include the search term "Commons". You can also be more specific and include "Creative Commons", "Wikimedia Commons", "Flickr Commons", and so on. These keywords help you find free content that allows re-use under the condition that you include the license file and the name of the copyright holder. Remember to check and adhere to the license conditions before using free assets.