There are a lot of audio sermons available over the net and the content is growing each week with many churches podcasting their weekly sermons. Unless otherwise stated please assume that all sermons are in mp3 format. More and more sites are also including video sermons and written sermons. If you are interested in finding help writing sermons (e.g. sermon illustrations) then go to the sermon preparation page.
You can also find a lot of Christian messages and sermons at the conference section.