I made a video about some hidden options that let you change certain things in the dock such as: Menu items, spacers, and the name of the trash. 
Check it Out: http://www.youtube.com/watch?v=1dLMstf_S1M
Please Subscribe, I just started making videos and I don't have much viewers

Check it Out: http://www.youtube.com/watch?v=1dLMstf_S1M
Please Subscribe, I just started making videos and I don't have much viewers