Below are a few images you can use, as well as PR/media contact information. Hope it helps!
Web Quality (425Kb): http://ryanin.nz/100kiwibusinesscoverweb
Print Quality (8.8Mb): http://ryanin.nz/100kiwibusinesscover
Author photos options:
Web Quality (1.7Mb): http://ryanin.nz/ryanjenningsauthorprofile
Print Quality (7.4Mb): http://ryanin.nz/ryanjenningsauthorprofileprint
Book interviews, get excerpts, etc.), please email: ryan [at] ryanjennings [dot] net with Media in the subject line.