On the issue of the mangled characters, there's been a few threads on this I believe, though I'm not sure if a solution came out of any of them. You might want to do a search on Google for "ajax content charset issue" or the like to see if something useful turns up.
if some one could point me on how to removed the description that is showing in black
Try removing the code in red below inside your initialization code:
Code:
new rsspausescroller("Facebook", "pscroller2", "rssclass", 3000, "", "date+description")
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