diff --git a/data/sprites/kangaroo.png b/data/sprites/jetpack.png
similarity index 100%
rename from data/sprites/kangaroo.png
rename to data/sprites/jetpack.png
diff --git a/defs.h b/defs.h
index 4e5c1a1..806e672 100644
--- a/defs.h
+++ b/defs.h
@@ -534,7 +534,7 @@
 #define P_SMALLANCHOR	145
 #define P_MAGNET	146
 #define P_BADMAGNET	147
-#define P_KANGAROO	148
+#define P_JETPACK	148
 
 
 #define FLY_FLYTIME	150
@@ -597,7 +597,7 @@
 #define PW_ANCHOR	16	// anchor
 #define PW_MAGNET	17	// magnet
 #define PW_BADMAGNET	18	// badmagnet
-#define PW_KANGAROO	19	// kangaroo
+#define PW_JETPACK	19	// kangaroo
 // "virtual" powerup for bosses
 #define PW_RATSHAKE	20	// shake screen horizontally
 #define PW_SNAILSHAKE	21	// shake screen vertically
diff --git a/rc.c b/rc.c
index 4353487..4c4c601 100644
--- a/rc.c
+++ b/rc.c
@@ -1425,7 +1425,7 @@ void jump(sprite_t *s, int dir) {
 			s->jumping = 1;
 			if (s->climbing) {
 				s->jumpspeed = 3;
-			} else if (s->powerup == PW_KANGAROO) {
+			} else if (s->powerup == PW_JETPACK) {
 				s->jumpspeed = 7;
 			} else if (s->ontramp) {
 				s->jumpspeed = 7;
@@ -1469,7 +1469,7 @@ void jump(sprite_t *s, int dir) {
 				s->recoiling = B_FALSE;
 			} else {
 				// play sound effect
-				if ((s->ontramp) || (s->powerup == PW_KANGAROO)) {
+				if ((s->ontramp) || (s->powerup == PW_JETPACK)) {
 					playfx(FX_SPRING);
 				} else {
 					playfx(FX_JUMP);
@@ -2896,7 +2896,8 @@ int movesprite(sprite_t *s) {
 			double xpoint;
 			xpoint = (curlevel->powerupx * TILEW) + (TILEW/2);
 			if (s->x <= xpoint) {
-				movex(s, s->speed);
+				int rv = B_FALSE;
+				rv = movex(s, s->speed);
 			}
 		} else { // not in intro sequence
 			if (!s->falling) {
@@ -5954,7 +5955,7 @@ int isonground(sprite_t *s) {
 	}
 
 	// antigrav?
-	if (s->antigrav) {
+	if (s->antigrav ) {
 		 return B_TRUE;
 	}
 
@@ -6095,6 +6096,7 @@ void dogravity(sprite_t *s) {
 			s->trampy = -1;
 		}
 	}
+	
 
 
 	if (s->dead) return;
@@ -7338,11 +7340,11 @@ int dofruiteffect(sprite_t *pp, sprite_t *s) {
 		addoutlinetext(s->x,s->y - s->img->h/2, TEXTSIZE_POINTS, tempm,&white,&black,POINTSDELAY, TT_NORM);
 		pp->powerup = PW_MAGNET;
 		return B_TRUE;
-	} else if (s->id == P_KANGAROO) {
+	} else if (s->id == P_JETPACK) {
 		playfx(FX_POWERUP);
 		sprintf(tempm, "Kangaroo jumps!");
 		addoutlinetext(s->x,s->y - s->img->h/2, TEXTSIZE_POINTS, tempm,&white,&black,POINTSDELAY, TT_NORM);
-		pp->powerup = PW_KANGAROO;
+		pp->powerup = PW_JETPACK;
 		return B_TRUE;
 	} else if (s->id == P_BADMAGNET) {
 		playfx(FX_SKULL);
diff --git a/shared.c b/shared.c
index b418b54..6734d39 100644
--- a/shared.c
+++ b/shared.c
@@ -1560,8 +1560,8 @@ int loadimagesets(void) {
 	loadspriteimage(P_BADMAGNET,F_WALK1, "sprites/badmagnet.png");
 	imageset[P_BADMAGNET].numimages = 1;
 
-	loadspriteimage(P_KANGAROO,F_WALK1, "sprites/kangaroo.png");
-	imageset[P_KANGAROO].numimages = 1;
+	loadspriteimage(P_JETPACK,F_WALK1, "sprites/kangaroo.png");
+	imageset[P_JETPACK].numimages = 1;
 
 	loadspriteimage(P_ZAPPOWERUP,F_WALK1, "sprites/zapper.png");
 	imageset[P_ZAPPOWERUP].numimages = 1;
@@ -2458,7 +2458,7 @@ int isfruit(int id) {
 		case P_RANDOM:
 		case P_MAGNET:
 		case P_BADMAGNET:
-		case P_KANGAROO:
+		case P_JETPACK:
 			return FT_TEMP;
 		/* flowers */
 		case P_FLOWERYELLOW:
@@ -3194,7 +3194,7 @@ int randompowerup(void) {
                 case 40:
 			return P_BADMAGNET;
                 case 41:
-			return P_KANGAROO;
+			return P_JETPACK;
         }
 }
 
@@ -3345,7 +3345,7 @@ void setfruitinfo(void) {
 	setinfo(P_ANCHOR, "Anchor", "The extremely heavy anchor will weigh down enemies, preventing them from jumping or flying.", "anchor.png");
 	setinfo(P_MAGNET, "Magnet", "Collecting this powerup will align the magnetic forces of the earth in your favour, attracting all nearby fruits towards you.", "magnet.png");
 	setinfo(P_BADMAGNET, "Red Skull", "This skull curses you and will repel fruits away from you, denying you access to them!", "badmagnet.png");
-	setinfo(P_KANGAROO, "Kangaroo", "For the remainder of the current level, your jumping ability is increased to that of a kangaroo!", "kangaroo.png");
+	setinfo(P_JETPACK, "Jetpack", "For the remainder of the current level, the jetpack's thrust will add to your jumping ability!", "jetpack.png");
 	setinfo(P_ZAPPOWERUP, "Bug Zapper", "Zaps nearby enemies with miniature bolts of lightning", "zapper.png");
 	setinfo(P_SKULL, "Green Skull", "Avoid these at all costs!  The green skull will cause you to lose all net powerups.", "skull.png");
 	setinfo(P_CLOVER, "4-Leaf Clover", "Increases your luck...", "clover.png");