Thanks Edward I will try out your answer and let you know
also will check out your newsletter PiP tips
I hope it has a section covering the different way NLE software do it
I had assumed it was done the same as in Premiere ...... my mistake !!
Someone else had a similar type of problem although different but of the same effect being applied to all clips in the same video track
http://forums.creativecow.net/readpost/208/874472
I was thinking we had both somehow made a parent/child track I saw mentioned in the manual for compositing around page 280
I have a Sony tutorial dvd set somewhere for Vegas 6 and was going to go through that in search of an answer but now I will focus on the Keyframe like you said
Regards from Dave