add alt-text

content/elsewhere/making-an-email-powered-e-paper-picture-frame/index.md

@@ -15,7 +15,7 @@ something similar.
 
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-{{<dither IMG_0120.jpeg />}}
+{{<dither IMG_0120.jpeg>}}A wood-and-glass stand displays a grayscale portrait, sitting beside amber glasses and books on a tidy desk.{{</dither>}}
 
 In short, it's a Raspberry Pi Zero connected to a roughly 5-by-7-inch
 e-paper screen, running some software I wrote in Go and living inside a
@@ -53,7 +53,7 @@ extracts the attachments from the email, crops them a couple of ways
 (one for display on a webpage, the other for display on the screen), and
 uploads the results into an S3 bucket.
 
-{{<dither Screen_Shot_2021-05-09_at_1_26_39_PM.png />}}
+{{<dither Screen_Shot_2021-05-09_at_1_26_39_PM.png>}}A web dashboard shows a green banner announcing “Photo image_50434049.JPG displayed!” above a grid of blurred photo thumbnails, each with a blue “Display” button beneath it in a browser window titled “192.168.4.61”.{{</dither>}}
 
 ## The Software
 
@@ -149,7 +149,7 @@ And that should be it. The photo gallery should be accessible at a local
 IP and the photo should update hourly (though not ON the hour as that's
 not how `cron.hourly` works for some reason).
 
-{{<dither IMG_0122.jpeg />}}
+{{<dither IMG_0122.jpeg>}}Wooden DIY stand cradling a small circuit board with a ribbon cable looped through.{{</dither>}}
 
 ## Building the Frame