Added art for jokers Abstract Joker by @MathisMartin31 and Bull by @NoWhammies10 and @GreenNinja2525

graphics/joker_gfx16.grit

@@ -0,0 +1 @@
+-gB4 -Mw4 -Mh4 -m! -pn 16

include/def_joker_gfx_table.h

@@ -14,3 +14,4 @@ DEF_JOKER_GFX(12)
 DEF_JOKER_GFX(13)
 DEF_JOKER_GFX(14)
 DEF_JOKER_GFX(15)
+DEF_JOKER_GFX(16)

include/joker_gfx.h

@@ -17,5 +17,6 @@
 #include "joker_gfx13.h"
 #include "joker_gfx14.h"
 #include "joker_gfx15.h"
+#include "joker_gfx16.h"
 
 #endif

source/joker_effects.c

@@ -641,12 +641,12 @@ const JokerInfo joker_registry[] = {
     { COMMON_JOKER, 4, smiley_face_joker_effect },      // 29
     { COMMON_JOKER, 5, raised_fist_joker_effect },      // 30
     { COMMON_JOKER, 6, reserved_parking_joker_effect }, // 31
+    { COMMON_JOKER, 4, abstract_joker_effect },         // 32
+    { UNCOMMON_JOKER, 6, bull_joker_effect},            // 33
 
     // The following jokers don't have sprites yet, 
     // uncomment them when their sprites are added.
 #if 0
-    { COMMON_JOKER, 4, abstract_joker_effect },
-    { UNCOMMON_JOKER, 6, bull_joker_effect},
     { RARE_JOKER, 8, the_duo_joker_effect},
     { RARE_JOKER, 8, the_trio_joker_effect},
     { RARE_JOKER, 8, the_family_joker_effect},