My music snippets don't work in Keynote or iDVD; the whole song plays
I have learned how to create snippets in iTunes, that I want to use in a wedding slideshow for my daughter. In both iDVD and in Keynote, once imported into the program the snippets revert to their orignal full-song length. I would love some help finding out how to use music snippets in either of these programs! Thanks so much.
MacBook (13-inch), Mac OS X (10.6.8)