diff --git a/content/post/aperture-study.md b/content/post/aperture-study.md
index 631165f..96ba796 100644
--- a/content/post/aperture-study.md
+++ b/content/post/aperture-study.md
@@ -4,6 +4,7 @@ date: 2019-01-16
 lastmod: 2019-02-11
 categories: ["Blog"]
 tags: ["photography"]
+preview: "/static/img/aperture-study/f17-f40-comp.jpg"
 ---
 I found out recently that using the maximum aperture for a lens can have
 deminishing returns. Simply put: it makes the image look "soft", or otherwise
diff --git a/content/post/emacs_clang_libopencm3.md b/content/post/emacs_clang_libopencm3.md
index c9aa476..458a62d 100644
--- a/content/post/emacs_clang_libopencm3.md
+++ b/content/post/emacs_clang_libopencm3.md
@@ -6,6 +6,7 @@ tags: ["emacs", "linux"]
 categories: ["Tutorial"]
 contentCopyright: true
 hideHeaderAndFooter: false
+preview: "/static/img/emacs-clang-libopencm3/header-completion.png"
 ---
 With some minor dependencies, it's fairly straightforward in setting up your
 Emacs workflow to include IntelliSense-like auto-completion!
diff --git a/content/post/headphone-fix.md b/content/post/headphone-fix.md
index 0154325..bd2b23e 100644
--- a/content/post/headphone-fix.md
+++ b/content/post/headphone-fix.md
@@ -4,6 +4,7 @@ date: 2018-01-11
 lastmod: 2019-01-16
 categories: ["Blog"]
 tags: ["electronics"]
+preview: "/static/img/headphone-fix/IMG_7505.jpg"
 ---
 A colleague offered a pair of Bern Bluetooth drop-in headphones to me fore free,
 with the catch being: _I had to fix them_
diff --git a/content/post/stm32-part0.md b/content/post/stm32-part0.md
index e3e0420..196edb0 100644
--- a/content/post/stm32-part0.md
+++ b/content/post/stm32-part0.md
@@ -6,6 +6,7 @@ tags: ["libopencm3", "stm32", "tutorial"]
 categories: ["Tutorial"]
 contentCopyright: true
 hideHeaderAndFooter: false
+preview: "/static/img/stm32-examples/part0/stm32-basic-gpio-leds.jpeg"
 ---
 One of the simplest projects to get started with the STM32 microcontroller
 series: turn on the lights!
diff --git a/content/post/stm32-part1.md b/content/post/stm32-part1.md
index a4553e8..0a54d87 100644
--- a/content/post/stm32-part1.md
+++ b/content/post/stm32-part1.md
@@ -6,6 +6,7 @@ tags: ["libopencm3", "stm32", "tutorial"]
 categories: ["Tutorial"]
 contentCopyright: true
 hideHeaderAndFooter: false
+preview: "/static/img/stm32-examples/part1/blinky.gif"
 ---
 After having reviewed [**Part 0**](/post/stm32-part0) of this series, we can now
 explore controlling GPIO with the hardware timers! Other tutorials have used the
diff --git a/content/post/thinkpad_usb_fix.md b/content/post/thinkpad_usb_fix.md
index 5afc0dc..3df3447 100644
--- a/content/post/thinkpad_usb_fix.md
+++ b/content/post/thinkpad_usb_fix.md
@@ -4,6 +4,7 @@ date: 2019-02-28
 lastmod: 2019-02-28
 categories: ["Blog"]
 tags: ["electronics"]
+preview: "/static/img/thinkpad-usb-fix/DSC04781.jpg"
 ---
 From the moment that I first had my (_used_) ThinkPad X220, the bottom-right USB
 port nearest to the SD card reader had been broken. The pad (_or bolster_) was