Copyrights
  Copyright: Authors own the exclusive rights to their creations. This is called a copyright, and the creation is protected for many years--even if the copyright is never registered with the copyright office (the number of years depends on when the creation was made.) A creation is considered to be "intellectual property" The copyright may be sold, transferred, or inherited--but the copyright still endures. Derivative works, while partially original, may infringe on another's copyright. Here is a link to several papers on copyrights. For those of you that like flash cartoons, here's a link for you to interactively explore copyright laws.
   
 
  Music Libraries
  Royalty Free Music may be used on any type of audio/visual or multimedia projects with no additional royalties paid to the creator, copyright holder or publisher. These are often called Buyout Libraries, although you are not purchasing the copyright, just the usage rights.
   
  www.digitaljuice.com
  www.freshmusic.com
  www.royaltyfree.com
  Google's Links to 50 companies that sell royality free music
   
  License Music has a wide variety of allowances for how and where a song may used. The cost involved is dependant on the tune, it's application and it's distribution. Here is a link to one company's example of different licensing options.
   
  www.615musiclibrary.com
  www.megatrax.com
  Google's Links to 300+ Music Production Companies
   
 

Other Options:

DIY - The easiest way to is to write are record your own (duh.) Just make sure you aren't pinching someone elses melody.

Commision - Buy hiring someone to write and record for you, you can get limited or complete rights to a creation's usage (dependant on whatever agreement was made between you and the composer/producer.)

Public Domain - Using a song that has fallen into the Public Domain. Here is a link to more information on Public Domain.

 

 

  Film, Video, and Image Libraries
  Licensed Stock Footage has a wide variety of allowances for how and where a video or flim clip may used. The cost involved is dependant on the visual, it's application and it's distribution.
   
  Royalty Free Stock Footage usually means that any product you purchase may be used over and over again without incurring additional fees or costs.
   
  Unlimited Use means that the footage (or images) may be used for virtually any project including feature films; broadcast video; commercial, industrial, or educational video; games; or the internet.
   
  www.sourcefootage.com
  www.artbeats.com
  Google's link to Stock Footage Companies
   
  Public Domain Footage is usually stuff that was shot by the government or old movies. Find good stuff takes a while, but with the government, you only have to pay duplication costs.
   
  Library of Congress - Duh! (and here's a link to their online catalog.)
  www.desertislandfilms.com - A clearinghouse of public domain movies.
  www.pdimages.com - One of many companies that cataloge the best of the stuff in the public domain and offer it for sale.