What version of Premiere Elements are you using and on what computer operating system is it running?
Are you looking for text whose fill is a 4- color gradient instead of a solid color. Or something else, like text whose fill is a still or video?
Answers are in the details. So, please, more details so I can fine tune a reply to your question.
Were you referring to Titler text titles and Drop Shadows in your question?
If so, please check out the following very current thread