These are my best guesses at where each icon came from,
this file should be updated whenever icons change.

filename                        source
--------------------------------------------------------------
0_weight.gif                    D. Morrill
1_weight.gif                    D. Morrill
2_weight.gif                    D. Morrill
3_weight.gif                    D. Morrill
4_weight.gif                    D. Morrill
5_weight.gif                    D. Morrill
6_weight.gif                    D. Morrill
7_weight.gif                    D. Morrill
8_weight.gif                    D. Morrill
bottom_center_position.gif      D. Morrill
bottom_left_position.gif        D. Morrill
bottom_right_position.gif       D. Morrill
center_align.gif                D. Morrill
center_left_position.gif        D. Morrill
center_position.gif             D. Morrill
center_right_position.gif       D. Morrill
left_align.gif                  D. Morrill
right_align.gif                 D. Morrill
top_center_position.gif         D. Morrill
top_left_position.gif           D. Morrill
top_right_position.gif          D. Morrill
