Any web editor will allow you to make your web pages the way you want them as long as you know how to code. Otherwise, you can use the many free online RSS Feed Makers (FeedBurner for one) or buy RSS Feed software to make and generate the code for you. See CoffeeCup’s RSS News maker.
Adding YouTube videos is a matter of using YouTube’s code they provide for the video to embed it into your web page. You can then customize it. Again, you have to know HTML/CSS.
Ron