It worries me that you are annoyed that the program can't
handle big files. Part of learning any software is learning its
limitations as well as its strengths. My earlier advice ... you
don't mention it, so I'm wondering, have you checked it out?
Actually, I'd say your goal should be to have CP files in the
5-10Mb size range, and I certainly wouldn't wait until they reached
50 Mb (to say nothing of 150Mb) before finding a way to reduce
them. If you think that size is your problem, run a search for
"file size" (in these forums). This is an often-discussed subject,
so you should get lots of hits including helpful advice from
earlier posts, so I'm not going to attempt to reinvent that
particular wheel for you.
.