[gimp-web] content: adding a screenshot of GIMP 2.99.8 running on macOS.

[Jehan <jehanp src gnome org>]

commit 6717c2525464ce552414dd0806af976a2497f4e8
Author: Jehan <jehan girinstud io>
Date:   Wed Oct 20 20:54:31 2021 +0200

    content: adding a screenshot of GIMP 2.99.8 running on macOS.
    
    It might sound silly, but this was such a long awaited thing that it's a
    big event!

 .../gimp-2-99-8-on-macos.jpg                           | Bin 0 -> 137934 bytes
 .../news/2021/2021-10_GIMP-2.99.8_Released/index.md    |   7 +++++++
 2 files changed, 7 insertions(+)
---
diff --git a/content/news/2021/2021-10_GIMP-2.99.8_Released/gimp-2-99-8-on-macos.jpg 
b/content/news/2021/2021-10_GIMP-2.99.8_Released/gimp-2-99-8-on-macos.jpg
new file mode 100644
index 00000000..67d43ac2
Binary files /dev/null and b/content/news/2021/2021-10_GIMP-2.99.8_Released/gimp-2-99-8-on-macos.jpg differ
diff --git a/content/news/2021/2021-10_GIMP-2.99.8_Released/index.md 
b/content/news/2021/2021-10_GIMP-2.99.8_Released/index.md
index 5d4d357c..f0686c77 100644
--- a/content/news/2021/2021-10_GIMP-2.99.8_Released/index.md
+++ b/content/news/2021/2021-10_GIMP-2.99.8_Released/index.md
@@ -300,6 +300,13 @@ currently tweaking the remote automated build. So we might finally have
 our first macOS development release (hopefully for GIMP 2.99.8) soon.
 Lukas also contributed fixes to GIMP source code to better support macOS.
 
+<figure>
+<img src="{attach}gimp-2-99-8-on-macos.jpg" alt="GIMP 2.99.8 running on macOS — GIMP 2.99.8"/>
+<figcaption>
+<em>Teaser alert: GIMP 2.99.8 running on macOS 🎉 (by Lukas Oberhuber) — GIMP 2.99.8</em>
+</figcaption>
+</figure>
+
 While this is excellent news, it does not invalidate the call for more
 macOS contributors we have made many times before. A single contributor
 (furthermore for both packaging and development!) is a very low [bus