Voices of a Distant Star: http://www.veoh.com/watch/v632651BKHPaN6M?h1=Voices+Of+A+Distant+Star
Kokoro Rental(Soul/Heart Rental): http://www.mangatraders.com/view/file/120383
Twelve O'clock Bell Rings: http://www.mangatraders.com/view/file/107327
So those are a few of my favorites, go look up some, they're all different and interesting even if they aren't serialized. Also, I don't have a link to it now, but Train Man is such a good classic, it's sweet and funny!
Any ways, that's my shpiel! Have fun with the typical style one-shots!