Those are all nice shots but most could benefit from having the horizon leveled. Both of my cameras have the Pentax "tilting viewfinder" that is hard to compensate for while shooting...
Special K - Yeah, i have a problem getting level w/ the stock screen on the k20, i finally put the LI-80 on the k20..it helped me a bit when I had it on the k10.
I have the same problem w/ my other cam..even w/ a grid screen..tho, im a bit more concious about it.