using RLE compression:
---------------------------
(sizes are given in bytes)

compressed sprite archer..female.. :  compression ratio = 5760000 / 1268942 (4.53921)
compressed sprite entity.... :  compression ratio = 20160 / 3592 (5.61247)
compressed sprite campfire.... :  compression ratio = 40896 / 7922 (5.16233)
compressed sprite coin.... :  compression ratio = 384 / 208 (1.84615)
compressed sprite lumber.... :  compression ratio = 7000 / 2702 (2.59067)
compressed sprite lych.... :  compression ratio = 6912000 / 1821658 (3.79435)
compressed sprite tent.... :  compression ratio = 612180 / 256464 (2.387)
compressed sprite sty.... :  compression ratio = 720000 / 80602 (8.93278)
compressed sprite pig.birth... :  compression ratio = 235200 / 44786 (5.25164)
compressed sprite butcher.... :  compression ratio = 4455680 / 1129908 (3.9434)
compressed sprite bstall.... :  compression ratio = 55860 / 39228 (1.42398)
compressed sprite skeleton.birth... :  compression ratio = 388800 / 74566 (5.21417)
compressed sprite skeleton.... :  compression ratio = 1944000 / 504560 (3.85286)
compressed sprite skeleton.standing... :  compression ratio = 194400 / 47524 (4.09056)
compressed sprite sign_market_w.... :  compression ratio = 23040 / 8722 (2.6416)
compressed sprite merchant.... :  compression ratio = 5760000 / 1456840 (3.95376)
compressed sprite guard..male.. :  compression ratio = 556960 / 152432 (3.65383)
compressed sprite guard..female.. :  compression ratio = 6912000 / 1529226 (4.51993)
compressed sprite sword.... :  compression ratio = 7300 / 1934 (3.77456)
compressed sprite grass_strip_10_l_ne_us.standing... :  compression ratio = 85000 / 34264 (2.48074)
compressed sprite grass_strip_5_l_nw_us.standing... :  compression ratio = 85000 / 27980 (3.03788)
compressed sprite box_wood_closed_2_sm_sw_us.standing... :  compression ratio = 8400 / 3574 (2.35031)
compressed sprite shop_itemshop_deco_agril_1_sesw_l0_us.standing... :  compression ratio = 1125600 / 565822 (1.98932)
compressed sprite mstall_seamstress_1_sw_us.standing... :  compression ratio = 55860 / 40378 (1.38343)
compressed sprite box_wood_spots_1_sm_se_us.standing... :  compression ratio = 8400 / 3438 (2.44328)
compressed sprite mstall_magic_items_1_sw_us.standing... :  compression ratio = 55860 / 41480 (1.34667)
compressed sprite box_wood_spots_1_sm_sw_us.standing... :  compression ratio = 8400 / 3438 (2.44328)
compressed sprite herbes_basket_green_2_s_us.standing... :  compression ratio = 5320 / 2732 (1.94729)
compressed sprite pig.standing... :  compression ratio = 235200 / 44786 (5.25164)
compressed sprite mstall_jewels_1_sw_us.standing... :  compression ratio = 54810 / 37062 (1.47887)
compressed sprite mstall_milk_2_se_us.standing... :  compression ratio = 55872 / 36862 (1.51571)
compressed sprite barrel_2_ta.standing... :  compression ratio = 3400 / 4310 (0.788863)
compressed sprite curd_1_s_us.standing... :  compression ratio = 5040 / 1306 (3.85911)
compressed sprite chest_weave_closed_1_s_us.standing... :  compression ratio = 7140 / 4288 (1.66511)
compressed sprite basket_weave_round_1_s_us.standing... :  compression ratio = 5040 / 1370 (3.67883)
compressed sprite mstall_vegetables_1_se_us.standing... :  compression ratio = 55860 / 41388 (1.34967)
compressed sprite chair_wood_nut_1_sw_s_us.standing... :  compression ratio = 6720 / 2856 (2.35294)
compressed sprite mstall_cheese_2_se_us.standing... :  compression ratio = 55872 / 40238 (1.38854)
compressed sprite box_wood_small_1_ta.standing... :  compression ratio = 5720 / 5724 (0.999301)
compressed sprite mstall_fish_1_se_us.standing... :  compression ratio = 55860 / 38992 (1.4326)
compressed sprite table_wood_nut_1_sw_m_us.standing... :  compression ratio = 27740 / 10522 (2.63638)
compressed sprite fish_trouts_1_s_us.standing... :  compression ratio = 5112 / 2786 (1.83489)
compressed sprite fish_flounders_1_s_us.standing... :  compression ratio = 7000 / 3658 (1.91361)
compressed sprite mstall_household_1_se_us.standing... :  compression ratio = 55100 / 37596 (1.46558)
compressed sprite mstall_blacksmith_1_sw_us.standing... :  compression ratio = 55860 / 44166 (1.26477)
compressed sprite chest_decor_closed_2_s_us.standing... :  compression ratio = 7000 / 3400 (2.05882)
compressed sprite chest_decor_open_1_s_l0_us.standing... :  compression ratio = 6720 / 4014 (1.67414)
compressed sprite barrel_lying_spots_2_s_se_us.standing... :  compression ratio = 7700 / 5274 (1.45999)
compressed sprite birch_summer_1_us.standing... :  compression ratio = 48400 / 34106 (1.41911)
compressed sprite shop_vacant_deco_1_se_l0_us.standing... :  compression ratio = 700000 / 371642 (1.88353)
compressed sprite grass_strip_1_m_nw_us.standing... :  compression ratio = 41600 / 18666 (2.22865)
compressed sprite oak.... :  compression ratio = 460800 / 231744 (1.9884) 