diff --git a/navy-apps/apps/nslider/src/main.cpp b/navy-apps/apps/nslider/src/main.cpp
index 8280473..2fd658b 100644
--- a/navy-apps/apps/nslider/src/main.cpp
+++ b/navy-apps/apps/nslider/src/main.cpp
@@ -3,6 +3,8 @@
 #include <stdio.h>
 #include <assert.h>
 
+#include <NDL.h>
+#include <BMP.h>
 #define W 400
 #define H 300
 
@@ -25,9 +27,11 @@ void render() {
   }
   char fname[256];
   sprintf(fname, path, cur);
-  slide = SDL_LoadBMP(fname);
+  // slide = SDL_LoadBMP(fname);
+  uint32_t* slide = (uint32_t*)BMP_Load(fname, NULL, NULL);
   assert(slide);
-  SDL_UpdateRect(slide, 0, 0, 0, 0);
+  // SDL_UpdateRect(slide, 0, 0, 0, 0);
+  NDL_DrawRect(slide, 0, 0, W, H);
 }
 
 void prev(int rep) {