I love these plain white onesies! For previous babies I've tie dyed them. This time around I don't have as much time for crafting, but some quick hand embroidery goes a long way. 

Inspiration and printable sticky interfacing:

http://wildolive.blogspot.com/2013/09/how-to-transfer-embroidery-pattern-onto.html

Images from CD from this book:

http://www.amazon.com/Doodle-Stitching-Collection-Embroidery-Designs/dp/1600595812/ref=sr_1_1?ie=UTF8&qid=1403974118&sr=8-1&keywords=doodle+stitching