At Thanksgiving, I always start at the top of my list and say I'm grateful for friends, family, and good health. Then I get more superficial... like being thankful for my Louboutins.
Being humble matters.
If the only prayer you ever say in your entire life is thank you, it will be enough.
To give thanks in solitude is enough. Thanksgiving has wings and goes where it must go. Your prayer knows much more about it than you do.