Here are a couple of links that are really cool:
The Church News report on the Cultural Celebration--has a lot of good pictures with it:
President Thomas S. Monson delivered a message of praise, encouragement and friendship to the youth of the Church who staged a cultural program with "heart" on Saturday evening, May 5, the eve of the dedication of the Kansas City Missouri Temple.
KSL coverage on the Temple Dedication (with video):
As the sun began to rise in Northwestern Missouri, it was the dawning of a new era for the Church of Jesus Christ of Latter-Day Saints, with the dedication of a temple in Kansas City.