Okay, try this website - Aylee bits » DIY: Boarding Pass Invitation / Save The Date
You can download the template from this site. Then you will also need to go to dafont.com and download "picture fonts" that are associated with a letter. Helpful fonts were tropicana, wm aquatic, sc by the sea, wm trees, etc). You can insert them through "word art" or format the picture in Word. It's pretty easy once you get the hang of it.