Image Rotator stutter when loading site for the first time

Hi Folks,
I've been working on this site with your wonderful theme

http://irisupclose.com

When I load the page in Firefox, safari, chrome etc.

one header image flashes on the screen and then is replaced by another in a flash. Then the rotator starts working just fine.

I don't know if this is caused by the size of the pics I'm using or my settings but I'm not sure how to fix it.

I have these atahualpa 3.5.2 settings right now:

Rotate header images with Javascript? 5
Fade in/out header images with Javascript? 5
Preload header images for Javascript rotation? No

thanks