If I had a photo, I would most certainly use it. That is... unless the photo I have sucks. For now, you'll just have to picture a big heaping helping of
Brush mayo on both sides of chicken, and season well with the rub - put on smoker - cook until 175 internal and remove, let cool a bit then chop up but turn smoker up to 350
Heat a non-stick pan, add about a tablespoon of oil, then the onion and both peppers - cook until softened and getting a little color, 5 to 7 minutes then set aside
Put butter in a small pot over medium heat, and when melted sprinkle in the flour - mix well until fully incorporated
Whisk in milk a little at a time until smooth, then add chili powder, cumin and garlic powder - stir well
Start adding cheeses a little at a time, stirring well as you go until beautifully smooth (add more milk if it's too thick)
Season to taste with salt & pepper, then set aside
Build nachos in an oven proof pan: A layer of tortilla chips, some chicken, cheese sauce, some of the sauteed vegetables, beans then repeat
Put into the smoker for 15 minutes, top with some sour cream and guacamole, then the cilantro