Cool resize plugin for GIMP

Some time ago I saw this post about a super horizontal/vertical resize algorithm which preserves the proportions of what is important on an image. Yesterday I was reading unread posts on Planet Ubuntu when I saw this post of Jorge Bernal where he says that already exists a plugin for GIMP of this algorithm (this is why I love free software).

Well, I installed it on my computer and made a test with my picture. Look the “before” and “after”: