I picked five of my favorites above, but you can see all of them plus explanations here:

http://io9.com/the-entire-premise-of-true-blood-explained-in-36-gifs-513456645

Bill's progeny, Vampire Jessica Hamby and her lost love Hoyt Fortenberry. After a rough patch of getting acclimated to the vampire lifestyle, she found love with a human. We thought their love would last forever, but after forsaking Hoyt's disapproving mother and moving in together, the two fell apart. And the vampire show displayed the most realistic and heart wrenching breakup on television that we've ever seen:

Jessica Hamby is a fan favorite:

When Bill made Jessica:

yes she is!

Then here are some more for the Jessica Hamby fans to enjoy.

Source: http://ships-and-gifs.tumblr.com/post/16081277842/deborah-ann-woll-gifs

Gif's via Nothing But True Blood Gifs, W e Are Parallel Lines, Pilipon, No Cookie, ClATL, and Videogum which are all amazing places to look at tons of True Blood and TV gifs.