I need a professional graphic designer to create 100 high quality jpegs for kids' web

Information for the business: we are an online homework website for children
Industry: Education
Design details: I need an experienced and enthusiastic designer to create the graphic content for our website's maths content. The work consists of 100 jpegs, some of which to be created from scratch, some to be modified (the jpeg exists but a few elements must be corrected).
There is a detailed guide with instructions and original jpegs will be available to help compare and contrast. Examples of necessary work available to short-listers.

The right candidate is comfortable with bright, colourful creations and to think creatively (think: kids) and is enthusiastic.
Target audience: Kids aged 7-11
Ideas for the visual style: bright, engaging
Things to avoid: dark colours
Preferred colors: all bright colours are welcome
Urls to draw inspiration from: www.ooberkidsrepublic.com
Where the design will be used: online Maths exercises
Extra notes: