 #include "GIFDecoder.h"
 
 #define DISPLAY_TIME_SECONDS 10
+
+#define ENABLE_SCROLLING  1
 
 // range 0-255
 const int defaultBrightness = 255;

    // initialize the SD card at full speed
    pinMode(SD_CS, OUTPUT);
    if (!SD.begin(SD_CS)) {
        scrollingLayer.start("No SD card", -1);
        Serial.println("No SD card");
        while(1);
    }


    // Initialize matrix
    matrix.addLayer(&backgroundLayer); 
#if ENABLE_SCROLLING == 1
    matrix.addLayer(&scrollingLayer); 
#endif
    matrix.begin();

    // configure matrix options
