What are the Sunnahs and manners we should observe on the day of Eid?

Among the Sunnahs of Eid are performing ghusl (ritual bath) before going out for prayer, eating before the prayer on Eid al-Fitr and after it on Eid al-Adha, and pronouncing the takbir (Allahu Akbar) from the night of Eid al-Fitr until the Imam enters (for prayer), and on Eid al-Adha, from the first of Dhul-Hijjah until the last of the Days of Tashreeq. Also, offering and exchanging congratulations, adorning oneself by wearing the best clothes (while avoiding women's adornment), and going to the prayer from one path and returning from another.