Visit a library. Many libraries not only have Latin grammar guides, but also have compact discs of Latin pronunciation. If your local library does not carry audio guides to Latin pronunciation, free audio downloads can be found online.
Attend several Latin Masses at Catholic Churches. This will give you the chance to hear Ecclesiastical Latin. The more you hear Latin, the faster you will pick up on the nuances of the ancient language. Read more about attending a Latin Mass and how to dress for a Latin Mass on this website.
Practice rolling your "r" daily. The Latin "r" is nearly always rolled and this should become second nature if you want to speak Latin properly.
Post a flier at your local university for a Latin language conversation partner or study group. You don't have to be a student to network with Latin language lovers.
Practice Latin phrases daily and record yourself speaking the phrases. When you play back the recording, you will be able to detect how close you are to the correct pronunciation.