Trim off excess fat, just a thin layer (1/4 inch max.) will do. The shoulder should have a marbling of fat throughout it. The fat is what will make it tender as it renders in the smoking process.
<img src="http://www.stangfix.com/testforum/gallery/7/468-020311092745-76011033.jpeg" />
Coat the shoulder with your favorite rub. I like just equal parts of salt and pepper for the shoulder.
<img src="http://www.stangfix.com/testforum/gallery/7/468-020311092805-7602788.jpeg" />
Smoke at 225 for about 10 hours or the internal temp is at 165. The pork shoulder is on the right.
<img src="http://www.stangfix.com/testforum/gallery/7/468-020311092832-7604157.jpeg" />
Ready to shred!
<img src="http://www.stangfix.com/testforum/gallery/7/468-020311092856-7605540.jpeg" />
Ready to Eat!
<img src="http://www.stangfix.com/testforum/gallery/7/468-020311092910-76062073.jpeg" />