so chrysler again screws me.. says 6.5in door speakers.. bought some and went to install them at like 1030 at night

come to find out that chrysler makes some wierd bracket on there speakers.. now what do i have to do??? they can never make things easy.. please help.. im speakerless right now..
speaker peice..stock speaker...new speaker
stock speaker fits right in with the three prong bracket into the plastic peice
new speaker doesnt fit right in... nothing too screw into unless i make my own holes.. do i need to buy a bracket??
if you need better pics let me know of what..