Twitter debuted its Vine video app a week ago, and we’re starting to see some creative experiments by TV brands, both local and national. As we noted in last week’s story, Vine restricts clips to 6 seconds and requires you to shoot it with the iPhone — no way (yet) to import clips into the app. With those limits, some TV brands are giving it a swing. Without further ado, here are a few examples we’ve gleaned.

Remember this? Can you guess when this intro aired on PBS? #PBSonVine #Vine vine.co/v/b17qLjO3r5J

— PBS (@PBS) January 31, 2013

This morning we are live from outside the Brazil nightclub for the @nbcnews @todayshow … As people demand… vine.co/v/bJpjam0TtnY

— Keir Simmons (@KeirSimmons) January 29, 2013

A quick look behind the scenes of @brighton_music. Everyone getting ready for #tandsmtvlive. vine.co/v/bJhLWxpOH7n

— MTV Hive (@MTVHive) January 27, 2013

The beginning. #loop vine.co/v/b1maztKQguh

— jimmy fallon (@jimmyfallon) January 31, 2013

“@13newslopez: @13clevebryan #newsvines #liveshot vine.co/v/bJYWU9rBjMu”

— WVEC 13NEWS (@13News) January 30, 2013

.@todayshow‘s first #vine! #todayshow #nbc vine.co/v/b1WxMxhIvau

— TODAY(@todayshow) January 31, 2013

Puppies coming up on the NBC4 News at Noon. vine.co/v/bJV63bQBJnH

— NBC Los Angeles (@NBCLA) January 30, 2013

See any others out there to add?