I'm trying to get together a portfolio and I have to make some cuts. Which out of the groups do you like the most? Thanks for your help!

1.
<img src="http://bryans.smugmug.com/photos/57011454-M.jpg">

OR
<img src="http://bryans.smugmug.com/photos/57011447-M.jpg">

2.
<img src="http://bryans.smugmug.com/photos/57011459-M.jpg">

OR

<img src="http://bryans.smugmug.com/photos/57011460-M.jpg">
OR

<img src="http://bryans.smugmug.com/photos/57016389-M.jpg">

3.
<img src="http://bryans.smugmug.com/photos/63869583-M.jpg">

OR

<img src="http://bryans.smugmug.com/photos/63869590-M.jpg">

4.
<img src="http://bryans.smugmug.com/photos/63869600-M.jpg">

OR

<img src="http://bryans.smugmug.com/photos/63869615-M.jpg">

<center><img src="http://pictureposter.allbrand.nu/pictures/lhuan88/slr/sf/IMG_4568.jpg"></center><p>too bad it was a crappy day when i took this pic

Both 4s are too centered. They could use a better crop.