My two gotchas were (and sometimes still are) white balance and iso settings. If I set white balance on anything but auto, I tend to forget to switch it back to auto or something else when I move into different light (e.g. set it on tungsten/incandescent for indoors, then go shoot outdoors and forget to set it on cloudy or sunny results in jpgs that have a not-so-lovely blue cast). This isn’t so much a problem for RAW, since you can pick the white balance after-the-fact, but it’s difficult to fix jpgs shot like that. I tend to just shoot on auto WB these days and adjust after the fact, though that isn’t particuarly ideal (just the easiest/laziest way to deal with it 😉 ) because auto WB can slightly shift white balance from frame to frame. That means you might not get consistent WB if you rely on auto WB, though I don’t have too much trouble with it.
With ISO, there have been plenty of times where I was shooting indoors in dim lighting, so I bumped up my ISO to 800 or 1600 (or 3200 even), then promptly forgot about it. Then my next session was shot in great light that didn’t need anything near 800+ on ISO, but I forgot and ended up with shots that were much granier/noisier than they needed to be because I shot them at much higher ISO than needed. This is partly Canon’s fault for not having current ISO speed listed constantly in their viewfinder display (it displays in the viewfinder only when changing it, though it does display on the LCD panel). I deal with this one usually by just forcing myself to re-set the ISO down to 100 or 200 after shooting at high ISO. I think Nikon displays it in the viewfinder, though, so you might not have that issue.
As for Flickr links on this board, I do pretty much what you did above–separate link above the picture–I think it complies with the spirit and letter of the TOS since you are providing a link back to your Flickr page. Very nice shot, btw! Love that composition and DOF 🙂
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