UI Learn: swap thumbnails and link to asset/project in courses and worshops.

src/templates/learn.pug

@@ -27,7 +27,8 @@ include mixins/components
 		'COURSES',
 		'In-depth training for mastering every corner in Blender.',
 		"{{ url_for('cloud.courses') }}",
-		"{{ url_for('static', filename='assets/img/features/training_motion_graphics.jpg')}}")
+		"{{ url_for('static', filename='assets/img/features/training_grease_pencil_02.jpg')}}",
+		'/p/grease-pencil-fundamentals')
 
 		ul.list-unstyled.mt-3.mb-0.column-count-2.list-first-new
 			-
@@ -52,7 +53,8 @@ include mixins/components
 		'WORKSHOPS',
 		'Enter the artist workshop and learn by example.',
 		"{{ url_for('cloud.workshops') }}",
-		"{{ url_for('static', filename='assets/img/features/training_minecraft_animation.jpg')}}")
+		"{{ url_for('static', filename='assets/img/features/training_speed_sculpting_03.jpg')}}",
+		'/p/speed-sculpting/5ca2371a001f6b38e8c0a3af')
 
 		ul.list-unstyled.mt-3.mb-0.column-count-2.list-first-new
 			-
@@ -77,7 +79,8 @@ include mixins/components
 		'PRODUCTION LESSONS',
 		'Tips and tricks by the Blender Open Movies crew.',
 		"{{ url_for('cloud.production') }}",
-		"{{ url_for('static', filename='assets/img/features/open_movies_02.jpg')}}")
+		"{{ url_for('static', filename='assets/img/features/open_movies_spring_03.jpg')}}")
+
 		ul.list-unstyled.mt-3.mb-0.column-count-2
 			-
 				var projects = {