You can find a number of blog buttons along my side bar that link to giveaways on other sites. Here are some links, though. All links here are for giveaways available to international participants.
(note about dates: day / month / year)
*I've not had time to go around looking for giveaways lately. Hopefully this will change in the near future!*
500 Follower Giveaway on Epilogue - till 10/05/12
Leap Into Books Giveaway Hop - 29/02/12 - 05/09/12
Book Lover's Giveaway Hop - 02/12/11 - 06/12/11