Off-by-One bug.

CubeFirmware/main.c

 						// Show idle frames
 						if (isFinished() >= IDLELENGTH) {
 							setImage(idleAnimation[idleCounter]);
-							if (idleCounter < (IDLEANIMATIONCOUNT - 1)) {
+							if (idleCounter < IDLEANIMATIONCOUNT) {
 								idleCounter++;
 							} else {
 								idleCounter = 0;

CubeFirmware/main.hex

 :1006800038F40F2D0F5F8F2D0E94500AF02E1DC0E1
 :10069000809178018D7F16C00E94AF058033A8F04D
 :1006A000EF2DF0E0EE0FFF1FEF59FE4F808191819B
-:1006B0000E945A053F2D323010F4F39406C0809109
+:1006B0000E945A053F2D333010F4F39406C0809108
 :1006C0007801826080937801FF240E948904882346
 :1006D00021F00E9497040E9460020E948B08F22F72
 :1006E000FC19A1E02F1708F0A0E0232F2B19E1E05F