My favorite is Chris Mohr. He shares tuna recipes in several of his programs. I tagged the two im pretty sure he discusses tuna recipes.
His tips are great, we've implemented a few of his strategies.
Good luck, hope you enjoy!

I learned today that yogurt may be substituted for mayonnaise in tuna salad!

Hi - I think this might be the only video on Grokker that uses canned tuna. I personally like to add 2 tablespoons of hummus and one tablespoon of dill relish to my five-ounce can of tuna for the world's fastest, easiest tuna recipe (maybe adding a bit of chopped bell peppers).... but here is a fancier, less primitive version of my hummus/dill combo:
https://recipes.sparkpeople.com/recipe-detail.asp?recipe=1274978

There's a yummy tuna lettuce cup recipe in the first Sue Mah video - no mayo!

Maybe you might enjoy the "salmon pita sandwich" video by Sue Mah that is part of the "Mediterranean Eating" program that made its debut this week. :)