Send me a cheery message from your specified location, in your own vernacular.
I need some support right now.
Trouble don’t blow shell, bobo. Sunshine soon come.
Don’t lose heart, Leaffan…
…they might want to cut it out…
…and they’ll want to avoid a lengthy search. 
*what can you expect from a Montreal Canadiens fan?
I love this.
I don’t have a good one to add, I think I could use some cheering too.
“King’s honor, friend”–from the City of Stormwind, Azeroth.
“Komt wel goed, schatje!”
(“It’s gonna be alright, babe”. Originated in a commercial here in the Netherlands).
Both for Leaffan and not what you’d expect. Hope things get better soon!
"Even in the mud and scum of things, something always, always sings.”
― Ralph Waldo Emerson
From northern Illinois
You’re not in Ahmedabad, which is the single most revolting city I have ever experienced.
Feel better now?
I vomited Exorcismt style a mere seconds after one meal.
Hoy puede ser un gran día, plantéatelo así.
(Today can be a great day, look at it that way)
Frodooooo! Can I borrow “Color esperanza”? I’ll put it back!
Bottoms Up! Cheers from my little lake in Washington state.
(Those are duck butts - it always makes me smile to see them)
Birch Bay: No crabby days!
Howdy from Texas,
Be happy you are not here, it will be 98f here today that is the high 30s for every one else.
Cheers
Capt
Greetings from South Jawja, the self proclaimed watermelon capitol of the world!
La vie est belle.
Hello from Wisconsin! 
I don’t know that we have any particular sayings here to cheer you up with - we just FEED people who need cheering up. So I brought you some virtual beer and bratwurst.
Hope you’re feeling better soon!
Hello, wherever you are … I also need some cheer-up, so maybe we can reciprocate.
Rite now I live on the East Coast, but I was originally from Chicago. I’ve also lived in Memphis, Mississippi, and Alaska.
I’m not sure which accent I should attempt 
Yup, yup, yup, I’m from down heah! (Mainer voice).
Hope this helps.
I spent months depressed not so long ago.
And then Fireflies made me smile. Picture random twinkling lights, like stars on earth. Scattered amongst the trees and bushes, over the meadow. After months of my own monstrous darkness, they were my first step upwards.
May you see stars on earth and know that even as far apart as we all are, we’re thinking of you.
Sending sparks from California.
Aw dang – somebody beat me from California. But here’s another one:
Dude! (this term now applies to male and female both.) You may be hella bummed now, but remember, tomorrow may be awesome. And I can guarantee you that there are many ways in which you personally rock!
You’re NOT Rick Perry