diff --git a/dat.h b/dat.h
index 6457e27..4254bd2 100644
--- a/dat.h
+++ b/dat.h
@@ -21,6 +21,7 @@ struct Image {
 struct State {
 	SDL_Window *win;
 	SDL_Renderer *ren;
+	Uint64 lastframe;
 
 	Samply *sam;
 };
diff --git a/readme b/readme
index 09f31cc..26f7cf5 100644
--- a/readme
+++ b/readme
@@ -8,3 +8,12 @@ i want people to be able to create their own pets without having to
 figure out how to recompile.
 
 run it with `SDL_LOGGING=app=debug ./slutpet` for verbose logging
+
+file layout:
+
+dat.h - data structure header
+fns.h - functions and macros header
+
+slutpet.c - sdl init and close
+img.c - loading images
+samply.c - pet Samply
diff --git a/samply.c b/samply.c
index 16ce3b1..a82bd31 100644
--- a/samply.c
+++ b/samply.c
@@ -13,10 +13,9 @@ put_samply_to_bed(Samply *sam)
 		free_image(sam->walka);
 		babble("free samply walk b!!");
 		free_image(sam->walkb);
+		babble("good night, samply!!");
+		SDL_free(sam);
 	}
-
-	babble("good night, samply!!");
-	SDL_free(sam);
 }
 
 Samply *
@@ -34,7 +33,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("stand samply up!!");
 	sam->idle = load_image(ren, "samply/Samply.png");
 	if (!sam->idle) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}
@@ -42,7 +41,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("samply walk! part 1!!");
 	sam->walka = load_image(ren, "samply/Samply_Walk1.png");
 	if (!sam->walka) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}
@@ -50,7 +49,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("samply walk! part 2!!");
 	sam->walkb = load_image(ren, "samply/Samply_Walk2.png");
 	if (!sam->walkb) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}
diff --git a/slutpet.c b/slutpet.c
index 69ae2b2..883cd73 100644
--- a/slutpet.c
+++ b/slutpet.c
@@ -47,15 +47,24 @@ SDL_AppResult
 SDL_AppIterate(void *as)
 {
 	State *st = as;
+	SDL_Texture *tx;
+	Uint64 ms;
 
 	SDL_SetRenderDrawColor(st->ren, 0, 0, 0, SDL_ALPHA_TRANSPARENT);
 	SDL_RenderClear(st->ren);
 
-	if (SDL_RenderTexture(st->ren, st->sam->idle->tex, NULL, NULL) == false) {
+	ms = SDL_GetTicks();
+	if ((ms / 100) % 2)
+		tx = st->sam->walka->tex;
+	else
+		tx = st->sam->walkb->tex;
+
+	if (SDL_RenderTexture(st->ren, tx, NULL, NULL) == false) {
 		fuck("rendertexture fail: %s", SDL_GetError());
 		return SDL_APP_FAILURE;
 	}
 	SDL_RenderPresent(st->ren);
+	st->lastframe = SDL_GetTicks();
 	return SDL_APP_CONTINUE;
 }
 
@@ -80,8 +89,10 @@ SDL_AppInit(void **as, int argc, char **argv)
 
 	SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "1");
 
+	st->lastframe = SDL_GetTicks();
+
 	babble("create win+render...");
-	if (!SDL_CreateWindowAndRenderer("slutpet", 320, 240,
+	if (!SDL_CreateWindowAndRenderer("slutpet", 320, 320,
 				SDL_WINDOW_TRANSPARENT | SDL_WINDOW_BORDERLESS
 				| SDL_WINDOW_NOT_FOCUSABLE
 				| SDL_WINDOW_ALWAYS_ON_TOP,
@@ -98,5 +109,6 @@ SDL_AppInit(void **as, int argc, char **argv)
 	}
 
 	babble("hi!!");
+	babble("program startup took %llums!", SDL_GetTicks());
 	return SDL_APP_CONTINUE;
 }