i recently upgraded to 2.0.2 & then to 2.1. Since then cydia is acting a little strangely. For eg. recently i wanted 2 install snapture 2.1 but cydia kept installing 2.0. Also mobilefinder has just been released but i cannot install that bcos cydia keeps givinga message that "i need to install more sources"

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I have tried everything frm quickpwng my phone again to deleting all the repos & re-installing them. But nothing is working out.
Note: while loading/refreshing the home page i get some "errors: sub-process gzip" something.
Pls help guys.