Critique of layout complexity

Hello.  I'm not sure this is the right list to post this question but here
goes:

I'm working on a site for a group.  Eventually the updates and such will be
done by one of its members.  One of the people in the group today said that
using tables as I have would be too difficult for a volunteer to update.
I'm planning on putting directions in the code showing where to begin and
end editing.  Will that be enough?  The person who said this also does web
sites and favors everything being completely centered with no tables.

Can I please get some comments on this?

The site address is: http://www.anniemation.com/rmrr/index.htm

Thanks in ADVANCE, I don't fill peoples' email boxes with thank you notes.
Comment is much appreciated.

Janet

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