DPK. Instead of making the check smilie directory a separate page, could you use it to check the directory when the smilie settings are loaded? If a shortcut isn't associated with the image, you could fill the text box in with "no" or something similar, and then tell your smilie routine to ignore the "no" images.
Then, adding smilies would be as simple as dropping them into the directory, and giving it a shortcut in the cp.
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