We make a rather big deal about this four word addition to the Amida.  What does it say about prayer. It is the first prayer, according to Rashi on Parshas Bereishis 2:5.

Where did Simchas Torah come from? Why is it celebrated on the second day of Shemini Atzeres?

David Hamelech - the last of the Succos guests, putting it all together.

Why does Yosef come after Moshe and Aharon?

Let's celebrate what Yosef brings to Succos.

Aharon , the real hero of Succos, as the creator of the cloud of smoke that expanded into the clouds of Glory, represents a different form of leadership from his brother. 

What does Yitzchak had to our Succah and understanding of Yom Kippur?

Our first holy guest in our Succah is Avraham Avinu - What does Avraham tell us about how to manifest Yom Kippur and celebrate Succos properly?

How is Yom Kippur fulfilled when we invite Moshe Rabbeinu to our Succa? Let's welcome Moshe Rabbeinu and hear how he helps us do Teshuva on the fourth day of Succos.

Heavenly Guests in our succah. Why?

When we welcome Yaakov into our Succah on the third day of Succos, what are we meant to accomplish?