THREE DIFFERENT SIGNATURES? Haha, well, I'll start out by saying that's almost too much to have all at once, in my opinion. They're very small. At the very least, the bottom signature should be centered under the other two, but if it were me, I would just enlarge them all and put them in a Spoiler tag, keeping only your favorite constantly visible.
I've already rated the first sig on there, with Link and the castle. Like I said, it's extremely simple, though I'm glad to see you (or Raindrop14, whoever) changed the color of the text (though it's still slightly hard to read; it's just so dark in that one corner, haha) and added the border.
I personally believe the second sig is a bit better, although, yet again, it's simple. The rendering is a bit jagged on the edges; I'd suggest maybe overlaying something on top of it or kind of trying to cover them up discreetly (I can't think of the term right now) or even just fading the edges, and that problem would be easily fixed. The text is good, though, if not small like I said before.
The last sig would be my favorite... if not for the text. There's just too much of it on such a small signature, AND I can't even read it. Seriously. I can't. If I didn't know the quote, I would have no idea what that was supposed to say. I'd suggest black as a color, or at least something dark to stand out against the bright background. I really like the background and render, by the way... I would consider enlarging it, though. The render of Link, I mean. In fact, I'd make it a pop-out, though that's not necessary at all; that's just how I like signatures. ^^
Overall score... 6/10.