The Emacs start up page has image, link, and fonts with different size all in one. How can I create a page like that?
Emacs doesn't come with a mode that can create all those effects (although you can get some of them with Enriched mode). You'd have to write Lisp code to create the page you want.
The actual startup page is created by the function
Note: You can display the startup screen at any time by typing