Check out http://www.Pentax.com - they have some camera manuals
on the site - but NOT one for the MZ-7 model.

The Canadian site has a download for the MZ-6 model at >>

http://www.pentax.ca/support/manual_pdfs/slr/MZ-6.pdf

The USA site has a download for the MZ-S model at >>

http://www.pentaximaging.com/files/manual/MZ-S.pdf

But to look at your pictures - you're doing pretty well withOUT
the instructions!
.