This is yet another example post. In this post I'll Show a few more things that can be added to a post. Such as different headers and styled text.
And here is some underlined text as well.
Essentially any type of formatting can be done to your posts to make them look as good as you would like them to. Additionally, you can view the full source of a post and edit the HTML if needed :)
The great thing about using the post editor is that you can even upload images directly from the TinyMCE editor window. Checkout the screenshot below: