[ziftface]

So why do the text-based tools like this one get in your way? They can do images just as well. Unless I misunderstood what you meant by graphics.

[SCLeo]

For example, if you are teaching grammar. You want to highlight all verbs in red, all nouns in blue, and all adjectives in green. You cannot do this unless you resort to CSS. But in my opinion, the ability to highlight words and set font color with couple clicks is much more simpler.