Use another photo instead of the Scratch Day one

We don't have permission to use the Scratch Day photo.

Author: mitio

img/coding-clubs-finland.jpg

@@ -159,7 +159,7 @@ <h2>Why learn to code?</h2>
 				</div>
 
 				<div class="col_half  bottommargin">
-					<img data-animate="fadeInLeftBig" src="img/scratchDay15.jpg" alt="Programamos">
+					<img data-animate="fadeInLeftBig" src="img/coding-clubs-finland.jpg" alt="Coding clubs in Finland">
 				</div>
 
 				<div class="col_half bottommargin-lg col_last">