Cartoon Graphics

We need someone who can create some characters like the image shows as png's for:

1. Main landing page graphic (jigsaw-like image as attached but without the grey blur) using unique characters (not as shown).
2. 6nr Individual characters based on photos that will be provided.
3. 6nr graphics showing how it works and why it works using the same style characters drawn in 1 and 2 (existing images attached).