Make your window an inch or two bigger than than the width of one of the boxes below. All the boxes should (IMHO) be roughly the same size. Try resizing the window so that floats wrap in one or two columns.

this is a float this is a float this is a float this is a float this is a float this is a float this is a float
this is a table this is a table this is a table this is a table this is a table this is a table this is a table
this is a float this is a float this is a float this is a float this is a float this is a float this is a float
this is a table this is a table this is a table this is a table this is a table this is a table this is a table
this is a float this is a float this is a float this is a float this is a float this is a float this is a float
this is a table this is a table this is a table this is a table this is a table this is a table this is a table
this is a float this is a float this is a float this is a float this is a float this is a float this is a float
this is a table this is a table this is a table this is a table this is a table this is a table this is a table