We don't decorate. It's never been something I've enjoyed doing, even back in my days of Jahilya

, and dh's family doesn't, so we haven't got there. But I hope to mix up a big batch of henna and slop some on everyone the night before, from dh to our livestock.
We wake up the kids and eat breakfast. I think it may be Sunnah to fast until Eid prayers, but we don't do this. We have a nice breakfast at home and the kids open gifts (which we keep very modest). Then, everyone meets for Eid prayers...and this is the awesome part. The Muslim community here rents a rollerskating rink to accommodate the crowd. So we bring potluck dishes there, have Takbir, prayer and khutba, then eat and visit, and they start the fog machine and the kids skate. They fire up the slushy maker and cotton candy machine, too. It's pretty crazy. I always marvel at the scene--reminds me of a weird documentary. People from countless countries, many in their traditional fancy best dress, having a potluck on roller skates.
Then, we head back home, change our clothes and dh slaughters our lamb. We divide it for distributing (1/3 to loved ones, 1/3 to the poor). Usually, friends come over, and we have tea and grill lamb liver and some meat and eat a fairly light meal and usually a lot of sweets, which friends inevitably bring along. The kids play, we visit, and we all go to bed tired. We're farmers, so we have chores built into the morning and evening.
This year, the second day of Eid, dh will help others with their slaughtering obligation. Many families still prefer to slaughter for Eid, and we surely have families who can benefit from the meat. So, a lot of the men take care of that. I will be doing something special with my kids while dh spends the day doing this. When he gets home, we'll head to another friend's for a celebration.
In addition, the two local mosques usually have an evening Eid dinner, one for each congregation, and many families attend both (they hold them on different evenings to make this possible). Plenty of opportunities to wear one's finest, visit and eat a lot.