You could try a silhouette of a flower or leaf in a fun, crisp colour:
|Via Made by Girl|
Or, instead of a bust or stuffy pose, try silhouettes of fun poses - you could trace family pictures or even magazine images and then cut out of black paper. Gina, from the Temporary Nest, has a great tutorial - click here.
Or try a bold colour combo, like this red silhouette on a printed fabric stretched and mounted:
Have you seen any great modern takes on silhouettes? Speaking of DIY, I'm almost finished the painting I started weeks ago. Once it is dry, I will attach some hanging hardware and post some pics.