use rubbing compound from your local auto store. theres different strengths so be carfull. this stuff is also good for cleaning up the paint by taking out sratches and removing wax. use elbow grease and make sure you wax the area after.
Just Leave It Out In The Sun For A Long Time (At Least Two Months) And There You Go Its All Done.
Acid works. Try Drano , your mom will never know what you have been up to.
sorry your pretty screwed on that one
Use turps.
Try Goof Off.