I think I am missing something, but a bunch of well known members at WebmasterWorld are participating in a thread named "Where do you want your link?" The thread asks, where in a specific page's layout, would you optimally want a link?
We have moderators including martinibuster and jdMorgan replying, as well as senior members pageoneresults, wheel, ken_b, adamnichols45 and others participating. Honestly, I think I might be missing something - but i'll play along.
Here is a poll (check all that apply):
To me, the answer seems obvious, but I guess the bulk of the goodies are in the discussion around the question as to "why" for each.
Forum discussion at WebmasterWorld.