Music is a very effective way to teach Spanish vocabulary and to reinforce previously learned vocabulary and grammar. This link includes a list of both types of songs.
I used this as an assessment after teaching the vocabulary used to talk about the family. The students were very engaged in this project and also learned valuable computer skills that will be useful to them in the future.
Wordle is a webiste that allows you to create "word clouds". You type in a number of words (could be key vocabulary terms) to create a "word cloud" that can be tweaked to give more prominence to words that you deem most important.