Hi Jason, welcome to the forums.
Referees - No. In my opinion - not on a publicly viewable CV.
On the scroll bars perhaps just let your container with your work expand and let the scrollbar appear on the edge of the browser window instead?
-Links page is a waste of time.
-Contact Page needs to be more obvious (if your looking for work don't make it hard for them to get in touch).
-Downloads page is pretty pointless to - just have a link 'download my CV' and save an extra click.
Get rid of the ugly+pointless w3c logos / no one cares + should be a given like
@harryroberts always bangs on about. It is vaild but its not well coded (but does the job) and that's not your bag so don't draw attention to it.
Typography could be glam'd up maybe a bit bigger + heirachy to define sections / important bits - bigger / bold <b> / italic bits <em>
There obviously focusing on the negatives and meant as constructive critisism.
The plus bits are: nice work, generally pretty tidy site & it certainly should do its job as a reference for CV / work examples.