update screenshots with video, add captions

Author: PatrickFarley

articles/cognitive-services/Content-Moderator/Review-Tool-User-Guide/Review-Moderated-Images.md

@@ -19,21 +19,21 @@ After you have signed up for Content Moderation and obtained a subscription key,
 2.	Click the Try tab, and upload some images to review.
 3.	Click the Review tab and select Image.
 
-  ![Review Images Option](images/review-images-1.png)
+  ![Chrome browser showing the review tool with the Review Image option highlighted](images/review-images-1.png)
 
   The images display with any labels that have been assigned by the review tool. The images are not available to other reviewers in your team while you are reviewing them.
 
 4.	Move the “Reviews to display” slider (1) to adjust the number of images displayed on the screen. Click on the tagged or untagged buttons (2) to sort the images accordingly. Click on a tag (3) to toggle it on or off.
 
-  ![Browse Image Reviews](images/review-images-2.png)
+  ![Chrome browser showing the Review tool with tagged images for review](images/review-images-2.png)
 
 5.	To see more information about an image, click on the ellipsis on a thumbnail, followed by the **View details** option. To assign the image to a subteam, select the **Move to** option.
 
-  ![View details and Move to subteam option](images/review-images-3.png)
+  ![An image with the View details option highlighted](images/review-images-3.png)
 
 6. Browse the image moderation information on the details page.
 
-  ![View Image Details](images/review-images-4.png)
+  ![An image with moderation details listed in an separate pane](images/review-images-4.png)
 
 7.	Once you have reviewed and updated the tag assignments as needed, click **Next** to submit your reviews.
 

articles/cognitive-services/Content-Moderator/Review-Tool-User-Guide/Text-Reviews.md

@@ -27,4 +27,4 @@ The Review tool first calls the Text Moderation API. Then, it generates text rev
 
 Detailed results appear in the windows. Results include detected tags and terms that were returned by the Text Moderation API. To toggle a tag's selection status, select the tag. You can also work with any custom tags that you might have created.
 
-![Review text results](images/3-review-text-2.png)
+![Screenshot of the review tool showing flagged text in a Chrome browser window](images/reviewresults_text.png)