I tried this, and it worked.
Go to stylesheet, find #maincol { ….. overflow-x; hidden… }something like this.
Change that to overflow: hidden; Or removing the overflow-something line didn’t do any harm either. Hope this helps.
I had the same needs and was so glad to finally find the answer here: Otto’s widget!
But even after I installed the plug in, I do not see any php text widget box added to the old widget selections. The plug seems to be installed right because i see it listed in my plugin management page. What can be wrong with this?