I have a an output from a chromakey effect on layer 1 which I want to attach to a spot on layer 2.To do that that i have to enlarge or minimize layer1 but when i do that the object on layer 1 if moving  back and forth.Can you guys give me a hint on how to lock a spot on layer one to a any a n area of choice in layer two this way i can enlarge r minize witout it is moving back and forth