Some bag-packing travel advice for men from The Art of Manliness. The article includes folding tips for avoiding wrinkles and comes replete with a helpful printable version. A couple tips from the article which I have similarly done for some time:
Finally, pack an empty garbage bag in your suitcase. That way you can keep your dirty clothes separate from your clean ones while on your trip.
If you plan on bringing a ton of stuff home, pack a collapsible bag inside of your bigger bag, and you can fill it with your booty.
If you are having trouble deciding what to bring or need help getting organized, I created a simple travel todo and packing list to help get you started. Print it off before your next trip.
How to Pack a Bag for Travel. Via Hivelogic.