The tricky part is customizing it. If you want to change the color of your text, it's alignment, make a certain word scroll across the screen. Check out this link: http://www.w3schools.com/
There are easy to use examples that you can play with and it gives a easy to understand explanation
If you want to add some extra functionality like a drop down menu or a pop up of any kind of script ( if the site host allows javascript or DHTML (dynamic HTML) )
check out http://www.dynamicdrive.com/dynamicindex1/
I know not everyone knows Web design and paying someone to do your site can be $$$$ costly $$$$ so I'm sharing this information I hope it helps with building an attention getting site
