Here are two pieces of Fletcher and Ignatius. The one in the multimedia section is by Matt Thomas, who's art is awesome and can be found here:

http://happy-rat.deviantart.com/

and in the external link. 

The second is by Riccardo Zoppello and can be found on the Summoner facebook page:

https://www.facebook.com/summonerbook

Along with several other exclusive illustrations :)

Taran