Can anyone help with some songs for my wedding?

i've got some songs that i REALLY would like to have, but my dance teacher said that we couldn't have them because they are a 3 beat, not a 4 beat(we want to do the bridal waltz). I want to have "Love Is All Around" by WetWetWet, or 'Unchained Melody" by the Rightout Bros... I am walking down the aisle(garden path actually) to Kay-C and JoJo's "All My Life". Does anyone have any ideas of some songs that we could dance to for our first dance (as the bridal waltz). And especially any songs that i could use for my bouquet throwing, and maybe cake cutting ( not too stressed on this one)? this would be a huge help! Thanks!