在我的maven项目中使用syntethica（Netbeans IDE 7.2.1）

I'm new into programming on java and having some problems with adding syntethica LaF to my Maven project. I'm using Netbeans IDE 7.2.1. I think, syntethica.jar should appear in dependencies list, right? I've tried to manually add JAR file into local repository and it seemed to be successful added, but it isn't appear in dependencies list. How can I add syntethica.jar to my project so I could use it?I'm new into programming on java and having som