May I recommend:

SIMPLE-est way of all use. WEBFX This is GOOD!

http://nbswebfx.com/using_webfx.html

Point to your photos location on the web - it will optimize the size - and then save their new smaller photo and replace your link to the big photo. Instructions on Page

Very Easy - FREEWARE
IMAGE MAGIC
http://www.imagemagick.org/script/index.php

ADOBE PHOTOSHOP INSTRUCTIONS
(Optomize for webpage)

Use same page for U LEAD PRO
http://www.webmasterjoint.com/articles/1002/image_optimization.php

Photo Album Helper Publisher - FREEWARE (popup aka "You Have Won")
http://www.softandco.com/a/16677/photo-album-helper.html

Have FUN!!!!

You have come a long way and put in a lot of work. Try the opening photo with the first recommended tool. See your page become alive!

Sincerely,
Gargoyle

You could also READ THE INSTRUCTIONS - that came with your camera software - also read the DreamWeaver instructions.