Just place these files in your current private/var/stash/themes and in your current theme make a folder labeled UIImages(if its not already there) and place these two images in the folder. I have also included a screenshot of how it looks with my current theme. Hope you like it... I would post it on Cydia but I'm not sure how to do so yet.
The first two attachments are the actual indicator dots. (The X's) The silver one is standard and the red one is the current page indicator dot. The third attachment is a screen shot of my phone using OS X Add-Ons by Bear_Hunter with some minor adjustments. It's just a very subtle alternative to the standard circle dots but I think it adds a nice touch.