By Caitlin Donohue

Dick the Halls It girl drag queen Grace Towers is extending an invite to you to get
nude. What is a dick in a box contest? You will surely find out if you go tonight.
9pm-2am, $5. Powerhouse, 1347 Folsom, SF. www.powerhouse-sf.com

XXmas: The Christmas Ballet Smuin Ballet knows you are not yet ready to let go of
fake snowflakes and furry red and white hats – hence the run of this on pointe show
through December 28th. through December 28th. A hodgepodge of traditional Xmas songs and classic rock odes (hey, Elvis), its been in production every year for 17 years, so there must be something to it. 8pm, $24-64. Yerba Buena Center for the Arts, 700 Howard, SF. www.smuinballet.org

Kwanzaa at City Hall The African American holiday surges into 2013 today. Celebrate at City Hall with a celebration to honor the life of Bayview librarian Linda Brooks Burton.
Noon, free. San Francisco City Hall, 1 Dr. Carlton Goodlett Plaza, SF. www.kwanzaasanfrancisco.com

Wizard of Oz Hey Dorothy, wear your ruby slippers to this showing of your favorite flick. 1, 3:30, 5:45, 8pm, $11. Castro Theatre, 429 Castro, SF. www.castrotheatre.com

Roa Few among us ever are presented with the opportunity to travel the globe covering vast walls with precise renderings of local fauna, but such is the life of Dutch artist Roa. Check out his indoor installation at this SF gallery, which plays with captivity and the confines of traveling. Through Jan. 4. White Walls, 886 Geary, SF. www.whitewallssf.com