This page contains all the graphs diagrams of global warming and climate change that are used on this web site. Some of the material originates from the International Panel on Climate Change (IPCC), often buried in various reports. You can find IPCC presentation material on their site, should you wish to look at the originals.
There is another page which contains all the pictures and images used on this site, you can access the images here. One of the obvious ways to find images associated with this topic is to use the google search facility. Simply type in the name of the subject matter you are looking for and search within Google ‘images’. Yahoo also has a similar feature on their search page.