I started a thread recently about how our dog was having some issues adjusting to the AI because of its narrow configuration. Happily, she has made progress... she will still wait outside the vehicle if given a choice, but once inside, she will genuinely relax.
Here's the bed that I mentioned was going to make - I didn't want to bury this link at the end of that other thread because there may be folks out there whose dogs are not AI-neurotic and so they might not read that thread, but they might be interested in bed options nevertheless.
THE INTERSTATE BLOG: CUSTOM DOG BED FOR AIRSTREAM INTERSTATE