Help please

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http://androidforums.com – I just got my first android phone,And i am wondering how to root my phone. please help,my phone is the LG Marquee running on gingerbread OS,Also my provider is boost mobile.Another thing is that i try downloading some wifi tethering apps and it wont let me tether it say something like Error 67 update profile.But please someone help me root ill send them 2 dollars paypal LOL. (General)