I am going to assume funding is a major reason why the
www.geocities.com/whatever.
Your page rank is 4. Be proud of that. I have only come across one other geo site with a 4, most are zero.
You can kill the pop-ups with some java, but that increases the risk your site will get deleted.
If you wish to not spend a dime consider
http://www.smartdots.com/
I see
http://www.oceanroc.net.tc is available. So is other variations of the name.
I’d add some small sized pictures in the big empty space on top and bread up the text a bit, make it easier to read.
Good luck!