Download of linux-bf533-ezkit-2008R1.5-RC3 (linux-bf533-ezkit-2008R1.5-RC3 ( external link: SF.net): 4,502,466 bytes) will begin shortly. If not so, click link on the left.
If you're new to buildroot Linux, the first thing to do is check out the documentation(http://docs.blackfin.uclinux.org/). This should help you get your development host PC set up, and get you compling your first Linux distribution from source.