update image links

README.md

@@ -27,14 +27,14 @@ when a child learns to communicate through words instead of screaming fits. In
 this early phase, however, some of their statements lack politeness and
 sensitivity.
 
-![Raw id, uncouth expression of desire for a cookie](https://curriculum-content.s3.amazonaws.com/programming-univbasics-2/introduction/Image_92_CookieNOW.png)
+![Raw id, uncouth expression of desire for a cookie](https://curriculum-content.s3.amazonaws.com/phase-0/pac-2-intro/Image_92_CookieNOW.png)
 
 Part of growing in their ability to converse is learning to wrap their desires
 in politeness and consideration for the listener. "Would you mind giving me a
 cookie?" and "Would you care to join me for a cookie?" both express the same
 desire as our "rougher" example above, but show maturity.
 
-![A mannerly cookie request](https://curriculum-content.s3.amazonaws.com/programming-univbasics-2/introduction/Image_93_CookiePolite.png)
+![A mannerly cookie request](https://curriculum-content.s3.amazonaws.com/phase-0/pac-2-intro/Image_93_CookiePolite.png)
 
 The same is true in code: we can do a great amount of work using just
 _expressions_. However, _mature_ "speakers" of code learn to wrap their
@@ -86,7 +86,7 @@ change the _default execution order_.
 
 ## Understand the Default Execution Order
 
-![Sequence Image](https://curriculum-content.s3.amazonaws.com/programming-univbasics-2/sequence-and-comments/Sequence_thick.png)
+![Sequence Image](https://curriculum-content.s3.amazonaws.com/phase-0/pac-2-intro/Sequence_thick.png)
 
 JavaScript by default will read our code according to the rules of a **default
 sequence** or **default flow**: "every line, top to bottom, left to right as
@@ -127,7 +127,7 @@ what order:
 
 ## Provide An Example of Selection Statement
 
-![Seelection Image](https://curriculum-content.s3.amazonaws.com/programming-univbasics-2/sequence-and-comments/Selection_thick.png)
+![Seelection Image](https://curriculum-content.s3.amazonaws.com/phase-0/pac-2-intro/Selection_thick.png)
 
 As represented in the image above, sometimes we need to deviate from the default
 **sequence**. We might need to **select** a different path. There's a [poem by
@@ -158,7 +158,7 @@ comparison operator and see what happens.
 
 ## Provide An Example of Repetition Statement
 
-![Repetition Graphic](https://curriculum-content.s3.amazonaws.com/programming-univbasics-2/sequence-and-comments/Repetition_thick.png)
+![Repetition Graphic](https://curriculum-content.s3.amazonaws.com/phase-0/pac-2-intro/Repetition_thick.png)
 
 **Repetition** lets us disrupt default flow by _repeating_. The `while` loop,
 which we will introduce formally in a few lessons, means "do something `while`
@@ -183,7 +183,3 @@ verb. We're now going to try to write complete sentences with conjunctions and
 punctuation (like the cookie examples!). We improve our basic sentences by using
 SELECTION or REPETITION statements that allow us to create code that deviates
 from the default "flow" or SEQUENCE.
-
-In upcoming lessons, you'll see our icons repeated to help you have a visual
-reminder of whether the statement you're learning is about SELECTION,
-REPETITION, or SEQUENCE.