I want to integrate TwitterAPIME to my Blackberry project. I have 3 Jar files provided by TwitterAPIME. I am not sure how to link thes
An external Jar is a Jar in a path outh of your Eclipse environment: i.e. outside of both Eclipse jars and projects generated jars.
A libraray is a collection of jars prepared by someone for you.
You can cerate a User Library by selecting a group of external jars: that is useful if you have a group o jars that should logically work togehter. A further advantage of creating a library is that you can "reuse it's definition" by referencing it in multiple projects.
Use: Project->Properties->Add library-> select "User library" and press Next->User libraries->New insert a new name and later us "Add Jar" that adds any jar you need to you library definition. Later use this library in your project.