"Expo Easel" Sounds really good! Nice job.
One thing about the name, however, that for me now rules it out as a recommendation, is that the two words are not articulated by a consonant; the ending vowel of "Expo" blends into the beginning of "Easel".
An unfortunate pairing, at least to my ear, that when spoken quickly sounds like "Expo Weasel" :)
It could also be called Expo Clip. Then can say "clips" to refer to saved scripts.