I need a logo and some images created - illustrated for my website.

Information for the business: Coaching Business
Industry: Lifestyle/Travel
Design details: Hi - I want to create a cool (not naff) logo and some images for my website www.mylondonlifecoach.co.uk

To begin with I will need a logo.. I really like this website which provides similar services www.theschooloflife.com

So not exactly the same but a similar kind of vibe. In addition I need to create 4 landscape illustrations of positive sayings (I can provide the text ) for the scrolling image bar at the top of my site.
Target audience: Affluent Londoners
Ideas for the visual style: www.theschooloflife.com
Things to avoid: Cheesy or Corporate
Preferred colors: Yellow, Black, White Grey.
Where the design will be used: Web only
Extra notes: I have attached the sort of sayings and illustrations that I like that will create the imagery.