Module not appearing on front page

I am currently using Drupal 7, and having a bit of an issue in getting a Twitter module ( http://drupal.org/project/twitter ) in appearing on the front page in a block set up from a view. My site currently does pull from my account, as the /user/%/tweets page successfully lists all of my recent tweets. On the front page, in the left column where the block is supposed to be, there is no visual evidence of it being there at all, even while logged into the site. However, the weird thing is that the block does show up correctly on my user page ( /user/%/tweets ). I am fairly new to developing in Drupal, and I believe I'm just missing something. Could anyone give me some advice to head in the correct direction? Thanks.
I have a picture of the settings of the Twitter Block at http://hcta.bldouglas.com/files/DrupalView.png