There aren't that many sig images.
The people who do have sig images, with the exception of Noel (whos sig image is tiny and non-obtrusive), don't post very often and generally post big and useful things that far outweigh the content taken up by their sigs.
The people who do have sig images, with the exception of Noel (whos sig image is tiny and non-obtrusive), don't post very often and generally post big and useful things that far outweigh the content taken up by their sigs.