hair dryer... and pay close attention to the 3 plastic prings attached to the rear of the emblem, going through the plastic grill mesh.
Sugestion... just order a new plastic toyota emblem from the dealership at $11... do what you need to do with it then get your stock setup and heat that thing OFF - dont worry about bending or ripping it.
then clean the aplication and install your new toyota emblem.
Check THIS THREAD for more details on debadging and also about your front emblem issues
http://216.102.149.4/cgi/everythingcelica/ultimatebb.cgi?ubb=get_topic;f=15;t=000005