How to give a picture sound when you click it.

Just right click the picture, and select ‘hyperlink.’
In the ‘Create Hyperlink’ ,’look in..’ box that pops up, scroll down to the sound file
you want, click OK and save.

How to give a page sound when you click it.

Just right click the page and select 'Page Properties'
then at the bottom of the box that opens, under 'background sound', browse for the 'location' of the sound file you want to use with that page.
Click that sound file you want.
Also select play the sound file once or on a continuous loop.
Click OK
Click Save.

 examples.....sites that provide sound effects files:
 http://www.grsites.com/archive/sounds/ and http://www.wavsource.com/
or for music files: http://www.mediacollege.com/downloads/sound-effects/

-This site http://switchr.net/ will change sound files to a type of sound file that MS Expression Web will play