I really like the Farseer. It isn't the greatest paintjob out there but the conversion and overall theme is executed nicely imo! (He used the body from Teclis, a fantasy High Elf mini!)
My favourite is the first one. I like the orb on the staff a lot, very nice effect. The freehand and the other orb are also great... I like the idea of the base, a mixed pavement with broken up tiles, and some dirt and weed on it.
All of the paintjob's are good, I love the freehand work on the third one.
The paintjob on the elf is also very good! But I hate that GW elf model. Although I can't really say what I hate about the sculpt, except from the face... It just doesn't appeal to me.