I'd appreciate any input

Hi All,
I've been racking my brain trying to think of how to get by this problem, and I figure since there's a lot of smart people here I'll just post it and see what you guys come up with, since the consensus on this board usually amounts to the bottom line.
I have a java applet that is embeded in a facebook application, and called through a jsp page that resides on my server. Right now I am passing as parameters to the applets the urls of any facebook images that the user is tagged in, and the applet fetches and interacts with these images by calling getImage with the supplied URLs. The problem is that the images are not hosted on my server, where the applet is called from, and therefore I have to sign my applet in order to use the getImage(URL) function. I am looking for a way to somehow get the image data into these applets without having it signed.
There are a couple of ideas that I have about how to accomplish this, and Im hoping to get your input as well. One idea is to somehow save all of the images locally on my server before the applet is run, but this isn't too practical as there will be many people using it, all with there own large set of images that can change daily. Another idea is to tell the my jsp page, the one that calls the applet, to get the images before calling the applet and then somehow pass the image data as a parameter to the applet, but again I don't think there is any practical way to do this.
It just seems like overkill for a user to have to trust a certificate in order for an applet to view images posted on the internet, something that any web browser can do without security warnings. I get why it is in place, any data retrieved from an external server is seen as a potential security issue, but I'm sure you can understand my desire to get around this. Anyways I appreciate any input you guys can give, thanks for your time!

Write a simple proxy for your server that takes requests from the applet, rewrites them and forwards them to facebook. The response comes back to your server and you relay it back to the applet.
Some disadvantages:
a) it requires all images to stream through your server using alot of bandwith.
b) there are potential security issues if someone figures out the urls your applet sends to your server they could use your server as an anonymizer for accessing facebook or to perform other pranks.
your proxy could have a base url like:
http://myhost:port/facebookapplet/imageproxy/then url request to it could be of the following form:
http://myhost:port/facebookapplet/imageproxy/<path to image on facebook>?<facebook query params>matfud

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