My routine is much the same as the others'. I either sponge or hose down the saddle and girth area, and also her legs to prevent any swellings and to help cool her down. I always like to rinse off the sweat rather than curry comb it off, otherwise I find it makes the hair all grimy and can actually bleach the hair. And as it doesn't really get that cold here, even in winter, it's not an issue for us.
Then I body brush all over to get rid of the dust and grime - it comes out easier if the horse is warm.
Another thing is that if her mane needs pulling, I will do that after she is worked as the hairs come out easier when the horse is warm.
And of course pick out her hooves, and once a week I oil them too.
Whoever said money can't buy happiness didn't know where to buy a horse.