github checks spotted missign alt text

episodes/imaging-data-structure-and-formats.Rmd

@@ -471,8 +471,7 @@ The overlay list allows you to do the following:
 * Identify the currently selected overlay (highlighted in blue).
 * Add/remove overlays with the + and - buttons.
 * Change the overlay display order with the ▲ and ▼ buttons.
-* Show/hide each overlay with the eye button ( ![](fig/eye_icon.png)
-{alt="eye icon" height='24px'} ), or by double clicking on the overlay name.
+* Show/hide each overlay with the eye button ( ![](fig/eye_icon.png){alt="eye icon" height='24px'} ), or by double clicking on the overlay name.
 * Link overlay display properties with the chainlink button
   ( ![](fig/chainlink_icon.png){alt="chain icon" height='24px'} ).
 * Save an overlay if it has been edited, with the floppy disk button

episodes/structural-mri.Rmd

@@ -302,7 +302,7 @@ standard atlases and templates so that you can quickly access them.
 ![Add Standard image](fig/aic_smri_fsleyes_addstd.png){alt="Add standard function"}
 
 Select the `MNI152_T1_1mm_brain` from this list of files.
-![Choose MNI image](fig/aic_smri_fsleyes_choosemni.png)
+![](fig/aic_smri_fsleyes_choosemni.png {alt="Choose MNI image"})
 
 We can now check if our image is registered by flicking back and forth between 
 the MNI image and our image. 

learners/setup.md

@@ -10,13 +10,13 @@ This page will tell you how to access your personal virtual (VM) to run these le
 If you have completed the pre-survey questionnaire, then you should have received two emails. These may be located in your spam email:
 1. One should be from the email address [email protected] with the title _Start accessing your apps using Amazon AppStream 2.0_. This will have the link to set your password and log in for the first time. 
 1. A second email should come from the same email with the title _Amazon AppStream 2.0: New apps available_. 
- ![Appstream Email](fig/aic_appstream_email.png)
+ ![](fig/aic_appstream_email.png{alt="Appstream Email"})
 1. Click on the login link, and you should see the following page.
- ![Appstream Login](fig/aic_appstream_login.png)
+ ![](fig/aic_appstream_login.png{alt="Appstream Login"})
 1. Click on the **Desktop** item. It will then launch a computer and you will be able to see the Desktop on the screen
- ![Appstream Choose Desktop](fig/aic_appstream_choose_desktop.png)
+ ![](fig/aic_appstream_choose_desktop.png{alt="Appstream Choose Desktop"})
 1. You will see a status message that it is starting your machine. After that you should see a desktop of the computer you will be doing the lesson with.
- ![Appstream Desktop](fig/aic_smri_desktop.png)
+ ![](fig/aic_smri_desktop.png{alt="Appstream Desktop"})
 1. **IF you get an error message** saying "Resources not available, please wait a few minutes, as there will be more virtual machines spinning up to match the demand.
 
 **If you did not supply an email yet, please approach an instructor and we will setup your account**