Plugins are not appearing my site?

Hi Aaron, I'm new here and I'm having difficulty with the plugins. I have the /tweetstream/ plugin, /bp-group-calendar/, JR_Vimeo activated, but it's not showing up on my acutal site? any help with this? I am using the /bp-magazine/ theme. thanks so much for all replys
http://liveartnow.com/dev/