Added Dodge Ball custom gif

Animated Dodge Ball gif

docs/courses/csintro/coordinates/project.md

@@ -41,7 +41,7 @@ basic.forever(() => {
 })
 ```
 
-![Player Grid Example](/static/courses/csintro/coordinates/cascade.gif)
+![Cascade Example](/static/courses/csintro/coordinates/cascade.gif)
 ### Cascade screensaver
 
 This example creates a diagonal cascading effect across the screen. Note the use of a variable (speed) to allow you to easily change the speed of the animation by changing just one number value.
@@ -82,7 +82,7 @@ basic.forever(() => {
 })
 speed = 10
 ```
-
+![Dodge Ball Example](/static/courses/csintro/coordinates/dodge-ball.gif)
 ### Dodge ball game 
 This is a Dodge Ball game that uses one sprite (dodger) to try to avoid another sprite (ball). You use the A and B buttons to move the dodger to avoid the balls that are falling from the top of the screen.
 
@@ -152,11 +152,7 @@ Have students write a reflection of about 150–300 words, addressing the follow
 
 ### Collaboration reflection
 
-**4 =** Reflection piece includes:<br/>
-`*` Brainstorming ideas<br/>
-`*` Construction<br/>
-`*` Programming<br/>
-`*` Beta testing<br/>
+**4 =** Reflection piece addresses all prompts.<br/>
 **3 =** Reflection piece lacks 1 of the required elements.<br/>
 **2 =** Reflection piece lacks 2 of the required elements.<br/>
 **1 =** Reflection piece lacks 3 of the required elements.