diff --git a/README.md b/README.md
index 7097e86..54a16bf 100644
--- a/README.md
+++ b/README.md
@@ -72,10 +72,10 @@ For the top part, choose one that fits your need.
 I'll let these images do the talk.
 
 <img src="doc/pico_wiring.png" width="80%">
-<img src="doc/pico_assemble_1.jpg" width="80%">
-<img src="doc/pico_assemble_2.jpg" width="80%">
-<img src="doc/pico_assemble_3.jpg" width="80%">
-<img src="doc/pico_assemble_4.jpg" width="80%">
+<img src="doc/pico_assemble_1.jpg" width="40%">
+<img src="doc/pico_assemble_2.jpg" width="40%">
+<img src="doc/pico_assemble_3.jpg" width="40%">
+<img src="doc/pico_assemble_4.jpg" width="40%">
 
 #### Notes
 * The firmware supports up to 16 LEDs on the WS2812B LED strip. I personally used 3 as shown in main title image. But you can experiment with different LED numbers, as long as they fit within the housing.