I love the PEACE sign cuff fabric (far left w/blue) and wish I had more!
Even though I have a serger and it's probably a little quicker to use one for the seams, I like to do French Seams on pillowcases. I think they look a little more finished and possibly more durable for commercial laundering making them great for charitable projects:
This is the inside/wrong side of the pillowcase w/French seam sewn
I also like to top stitch the outside cuff in place prior to stitching the final seams:
Gotta love that Juki compensating foot - I use it ALL the time for top stitching, including for bindings!
And one of the finished pillowcases w/top stitching in place:
The top stitching gives a nice finished look and helps to stabilize the cuff and keep it in place
If you'd like to make your own fast & fun pillowcases, here's a link to a youtube video by Missouri Star Quilt Company that's one of the best I've seen to date: http://www.youtube.com/watch?v=MrYWCma9wgM