For our Wedding Rehearsal Dinner, we're having a Mexican Fiesta at my parents house. Even though I'm not Mexican, I did grow up in house that you can see Mexico from and I love Mexican culture, art, and of course, food!
I put together this inspiration board for our Fiesta Rehearsal Dinner:

Here are the ideas I have for our Fiesta Rehearsal Dinner:
Food - Authentic Mexican Caterering from Gerardos (booked!)
Drinks - Margaritas and Buckets of Mexican Beer
Table Decor - Red table linens, cactus plants, chili peppers, candles, red flowers
General Decor - Mexican Wedding Banners, red paper lantern, Mexican blankets, sombreros
I really wish I could get down to Mexico before the wedding to buy some of fun Mexican items. Hmmm... day trip anyone?