In reply to caseyfather:
Hmm, I don't do a bad job. I don't look pristine but it definitely looks ironed and smart.
1st is you have to iron the night before (or more). This lets it dry ironed rather than travel damp just after ironing.
2nd I travel with it in the top and slightly down the back of a rucksack. (back side not body side). I put it in carefully (important)
3rd I fold it, ummm, not sure how to describe this. On its front, arms pulled across level with other side. Then fold shirt inwards from both sides to meet in the middle. Then fold in half, or 3 times if you need it short.