How can I change the drop down character on the page menu bar to something other than the black or white arrows?

If I can't change it, can I remove it?

Thanks.

yes you can change it, it will take a little work but not much. There are 6 gif's involved located in the 'atahualpa/images' folder:
expand-down-white.gif
expand-down.gif
expand-left-white.gif
expand-left.gif
expand-right-white.gif
expand-right.gif
First off make a copy so you can go back to them if you need to. Each GIF is 20 x 8 so make six replacements and call them the names above and replace the existing gif's. That's it, your done
expand-down-white.gif
expand-left-white.gif
expand-right-white.gif
will be user if you set ATO->Page Menu Bar->White or Black Arrows as Sub Menu Indicator? to 'White' and
expand-down.gif
expand-left.gif
expand-right.gif
will be user if you set ATO->Page Menu Bar->White or Black Arrows as Sub Menu Indicator? to 'Black'

This is useful! But can they be removed?

add theis to CSS Inserts

div#menu1 ul.rMenu-hor li.rMenu-expand a {
	background-image: none;
	}

if you want to get rid of the submenu ones use

ul.rMenu-vRight li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-vRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-hRight li.rMenu-expand a,
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand a,
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a,
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a, 
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a, 
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a, 
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a, 
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a, 
ul.rMenu-hRight li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand li.rMenu-expand a 
	{
	background-image: none;
	}

I am trying to remove these drop down arrows as well. I placed the above in the HTML area and it did indeed remove the arrows from the first menu bar, however the second menu bar still has them.

When you refer to the 'first' menu bar and the 'second' menu bar are you talking about the page and category menu's?

Easiest way to "remove" them, would probably be to edit the images, make them all blank gif and replace them 2 minute job + FTP to site.