In my own opinion, I think that you should frame 
them seperately. Why? Because, like LadyBrick 
said, they are too dissimilar. Also, why 
sacrafice so much space? PLUS you would have to 
commit to having them all together. 

What I think you should do is frame them all 
seperatly, but alike. Like same frame & matting. 
Keep it simple. Then hang them on the wall in a 
square together.. or in a row... or in a diamond. 
Whatever way you want. Then you have the neat 
look of all the cels together, but don't have to 
commit either. 

Just my two cents. ttyl!
/Tara