NOTE: this is not available in standalone (well it's possible, but it is a long process) because of the limitations of internet explorer.
There are some backgrounds in ts i find i don't like, or distract me while playing.
if is very easy to block them using Adblock extension for either chrome or firefox
adblock is unavaliable for internet explorer: http://adblockplus.org/blog/adblock-...-not-an-option
once you have installed it, you can right click on images and click block element, and it will blcok you from seeing it.
eg. one of the songs backgrounds i don't like is canon rock.
if you go onto the levels page:
there is a unique number for the level, for this song it is 61.
and you can reach the bg by changing the link to
then you can right click, block element and, WAHLAH!