diff --git a/src/main.rs b/src/main.rs
index ffcab73..e08cd5d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,7 @@ use fltk::{
     prelude::{GroupExt, WidgetBase, WidgetExt},
     window::Window,
 };
+use image::Rgb;
 use rscam::{Camera, Config};
 
 fn main() {
@@ -55,15 +56,20 @@ fn main() {
                     let start = Instant::now();
                     let img = image::load_from_memory(&data).unwrap();
                     let l_data = img.to_luma8();
-                    let rgb_data = img.to_rgb8();
+                    let mut rgb_data = img.to_rgb8();
                     if w == 0 {
                         w = l_data.width() as i32;
                         h = l_data.height() as i32;
                     }
+                    for tmp_x in 0..30 {
+                        for tmp_y in 0..60 {
+                            rgb_data.put_pixel(tmp_x, tmp_y, Rgb([102, 204, 255]));
+                        }
+                    }
                     let fltk_l_image =
-                        RgbImage::new(&l_data.as_raw(), w, h, ColorDepth::L8).unwrap();
+                        RgbImage::new(l_data.as_raw(), w, h, ColorDepth::L8).unwrap();
                     let fltk_rgb_image =
-                        RgbImage::new(&rgb_data.as_raw(), w, h, ColorDepth::Rgb8).unwrap();
+                        RgbImage::new(rgb_data.as_raw(), w, h, ColorDepth::Rgb8).unwrap();
                     camera_frame.set_image(Some(fltk_l_image));
                     color_frame.set_image(Some(fltk_rgb_image));
                     camera_frame.redraw();