You will need to share the code from the .fla so I can tell you what to remove without damaging any other content.
If you are that new to Flash it might be better to just zip up the fla and post a link to it here for download and we can work on it at home, etc.
However, your pictures/pages are going to be a mix of array codes that look something like:
newArray= (pic1a, pic1b, pic2a...blah blah blah);
//do stuff with the array here blah blah
and also Movie Clips (MC) These pictures should have instance names that match those in the array.
If you are uncomfortable sharing your .fla, that is fine, but you will need to post some code.
Open your .fla and look at the very first frame, should be in a "scripts" layer, and copy and paste the code from that frame.
We can go from there :)