hey kat,
I recently hopped onto the health train three weeks ago. I've had my pouch for over 6 years but the whole time I smoked, drank way to much soda pop, ate tons of junk food, tons of processed foods, lots of candy, hardly and fruit, it was bad. Then I got pouchitis or something last november, since then my pouch was always killing me, I was going to the bathroom 12+ times a day, leakage at night, it was bad. The doctor's looked at my ct scan and said I might have crohns now, so I decided to get my life together, and do everything I can to keep my pouch happy for life.
To start I quit smoking three weeks ago, never looked back, don't drink soda pop/sugary drinks anymore, I drink 10+ big glasses of water a day. I'm eating a lot more fruit now, mostly bananas cause of the potasium and they slow things down for my pouch. I don't eat candy or junk food, I make a healthy snack myself now. I cut out milk, but still eat cheese and yogurt. I also take aloe vera juice after a meal, a probiotic, multi-v, fish omega 3 oil, calcium supp, and I feel great! I haven't actually felt this good since before I got UC like 7 years ago. I just hope it stays this way as I slowly taper off the prednisone.
I also get the salt cravings, which are normal for jpouchers since we need all the sodium we can get! I don't think you need to worry about seeds or popcorn, at all. Maybe if your pouch/bowel was full of deep active ulcers then seeds might not be the best thing, but even just with inflammation, I don't think they cause a problem, since I eat seeds all the time and have been fine.