Removing images after preload

Right, I have created this preloader which you can download from www.oooi.co.uk/oooicogs.zip

My problem is that when it finishes loading index.swf, it doesn’t remove the four images.
I am assuming that I need to do something with addChild/removeChild but I am not entirely sure what.

It is driving me up the wall…

Thanks so much!

and any questions, feel free to ask… I have to get this finished pretty sharpish!