While working on a project I came across what is probably a common problem in iPhone development when dealing with thumbnail images and that is downloading images. The problem I faced was trying to figure out a way to reduce network traffic by caching the images that I've already downloaded. After thinking and doing some research and reading I decided to try and create my own Image Cache Manager class. First I had to think about a few design considerations for the class, one thing is that I needed is for this to be available to every view controller within…