Earlier this week I received an email from someone who had found the custom video search engine that I built last summer. The person who emailed me asked how I did it. There's not much to it other than following a few steps at Google.com/cse. As you can see in the directions embedded below, you don't need any coding skills in order to build your own search engine.
Applications for Education
Creating a custom search engine is a good way to provide some gentle search assistance to students. You can create search engines that only include websites that are appropriate for your students' reading levels.