Yes, they killed him, but the story doesn't end there. At Easter, Christians celebrate that Jesus not only died but rose from the dead three days later to show people the 'price' of forgiveness had been paid. At Easter, Christians rejoice that death and pain haven't had the last say. That God, in giving us the choice of new life, has given us a new hope. Jesus returned with new life for anybody who would trust in his sacrifice, and recommit their life to their Creator.
Easter is definitely a season for celebrating a chance at beginning a new life.
And just to set the record straight - Christians don't hate rabbits. They just get in the way of some really good news. The articles can be freely downloaded and distributed.