An unexpected way to serve drinks at your party is in mason jars. The nice thing about mason jars is that they're not too expensive (less than a dollar a jar), they're more interesting and homey than plastic cups, and they're easy to dress up with ribbons, straws, flags, or whatever you like.
For inspiration, take a look at how people on our site are using mason jars to add a warm touch to their parties.
Carey B's Cookie and Milk Party
Ashley S's Garden Baby Shower Luncheon
Tanya M's Red, White, and Blue Backyard BBQ
Claudia S's Tickled Blue BaByQ Shower
Kelly S's Pink Cowgirl Party