Hey Admiral,

Here is an idea if you want to buy cheap frames 
for displaying several cels...if you go to a 
discount or drugstore like Walgreens, yeah 
walgreens =P, or Walmart or whatever, you can 
find frames complete with glass that snaps into 
the front of a black, plastic frame.(im sure many 
of you have seen these)  They cost about 6 bucks, 
and the 11" x 14" size works great for standard 
sized cels as well as average-oversized 
cels...and believe it or not, they dont look like 
cheap junk. =P  The only problem is, the glass is 
not UV protectant, and you wont have a matte to 
hide the "technical" aspects of the cel...but in 
my opinion, the whole cel including sequence 
number, pegholes, and imperfectly cut background 
are all part of the artwork of animation. ~_^  
Plus this way, it is easy to change cels on a 
whim when you want to disply others.  Hope this 
helps you a little for some ideas.

good luck, :)

Sean