DAVID KRJEGER/ BAUER-GRIFFIN/ GC IMAGES

Silverman walks the walk

New Hampshire-bred actress-comedian Sarah Silverman, who was out in New York over the weekend walking hand-in-hand with actor Michael Sheen, has donated her services to Keshet, a local nonprofit that advo­ cates for gay, lesbian, bisexual, and transgender Jews. Those who attend the group’s Keshet Cabaret on March 27 will be able to bid on Silverman- her voice, at least. She says she’ll record a personal voicemail message for the biggest spender.