i work in premiere, but i assume it's not too different of a method, since vegas has keyframing.
place something on the timeline. now paste it directly above on a seperate track.
keyframe a zoom on the top one. now take down the opacity. something like 30% might look good. mess around with it.
KioAtWork: I'm so bored. I don't have class again for another half hour.
Minion: masturbate into someones desk and giggle about it for the remaining 28 minutes