Graphics Design Resources and tools to help you work more effectively and frustration free!
Google Web Designer - useful to help you create Google AdWord Display ads as well as HTML5 animated ads
Adobe Illustrator - Great for creating illustrations and can be a good tool for creating Google Display Ads using artboard in versions CS6 and higher. Just make sure that each artboard has its own unique elements and that you aren't working off one outline otherwise you can run into trouble trying to finalize a professional design due to a lack of flexibility.
You may also find facebook ad sizes and google ad sizes helpful when creating ads.
What the Font - have an image with a font but not sure what it is? Use this tool to help you find a close, if not exact, math!