Here are some screen shots from Bells, and then a video in which Jenna says after shooting, "I wanna bike, I wanna motorbike!" Very cool.
Apparently Jenna wasn't kidding about wanting a motorbike as she is the one riding in Day of The Doctor, the 50th anniversary special that came out this fall. Here are some screen shots from that one:
She's on the bike this time. I couldn't find anything online about whether or not she's gotten into biking or not. I guess I'll have to wait until she's on Top Gear, they'll get it out of her!
There has been a lot of talk about this in the UK press:
Jenna's Tumbler also has some great images: