I hope I'm not too late to help. I don't know what you will be serving and I know alot of this probably won't appy but I have a list of dessert/tea pairings for you:
Dark Chocolate: Assam, Darjeeling, Earl Grey, Gyokuro, Oolong or Pu-erh
White or Milk Chocolate: Darjeeling, Dragonwell, Oolong, Sencha or Yunnan
Baklava: Darjeeling, Pouchong, Oolong (any), Ceylon Black and Green
Carrot Cake: Sencha, Dragonwell, Vietnamese Green, Ceylon Green and Black, Darjeeling, Ceylon, Assam
Cheesecake: Sencha, Dragonwell, Vietnamese Green, Ceylon Green and Black, Darjeeling, Keemun
Citrus: Earl Grey
Crème Brûlée/Crème Caramel: Darjeeling, Earl Grey, Ti Kuan Yin, Tung Ting Oolong, Dragonwell, Assam, Ceylon Green and Black
Crêpes: Darjeeling, Oolong (any)
Dessert With Apples: Darjeeling, Dragonwell, Ti Kuan Yin
Dessert With Apricots: Oolong (any), Darjeeling
Dessert With Bananas: Ti Kuan Yin, Tung Ting Oolong, Pouchong, Ceylon
Dessert With Black Currants: Dragonwell, Darjeeling, Oolong (any)
Dessert With Coffee Or Mocha Flavors: Yunnan, Assam, Pu-erh, Formosa, Oriental Beauty, Buddha’s Finger Oolong
Dessert With Raspberries: Darjeeling, Vietnamese Green, Ceylon Green and Black
Desserts With Strawberries: Darjeeling, Dragonwell, Ti Kuan Yin
Fruit Compote or Tart: Ceylon, Darjeeling, Earl Grey, Yunnan, Dragonwell, Ti Kuan Yin
Pecan Pie: Oolong (any), Darjeeling, Assam, Ceylon
Pumpkin Pie: Dragonwell, Ceylon Green and Black, Darjeeling
Vanilla: Keemun, Ceylon, Darjeeling, Nilgiri
I've also included some fun recipes you might like and a few activities:
Cheesecake candles
egl: Strawberry Cheesecake Candle Recipe
cross dome triffle recipe
egl: Welcome to Aya's Cafe
Sewing do-it-yourself that you can do as group activites
Memorable Sewing & DIY Entries
This one is in Japapnese but it has pictures and a few translations.
egl: GothLoli Food!
A crossword
egl: It's Lolita Wordfun Tiem!!!
I hope you have a great party.