[gimp-web] Add a screenshot for GeoTIFF checkbox and add a contributor name.

[Jehan <jehanp src gnome org>]

commit eca25b13d7430c89b07626a7e57d712148943d5d
Author: Jehan <jehan girinstud io>
Date:   Sun Mar 28 16:04:40 2021 +0200

    Add a screenshot for GeoTIFF checkbox and add a contributor name.

 .../gimp-2.10.24-save-geotiff.png                       | Bin 0 -> 74343 bytes
 .../news/2021/2021-03_GIMP-2.10.24_Released/index.md    |   9 ++++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/content/news/2021/2021-03_GIMP-2.10.24_Released/gimp-2.10.24-save-geotiff.png 
b/content/news/2021/2021-03_GIMP-2.10.24_Released/gimp-2.10.24-save-geotiff.png
new file mode 100644
index 00000000..072227a9
Binary files /dev/null and b/content/news/2021/2021-03_GIMP-2.10.24_Released/gimp-2.10.24-save-geotiff.png 
differ
diff --git a/content/news/2021/2021-03_GIMP-2.10.24_Released/index.md 
b/content/news/2021/2021-03_GIMP-2.10.24_Released/index.md
index 218f7379..145309c6 100644
--- a/content/news/2021/2021-03_GIMP-2.10.24_Released/index.md
+++ b/content/news/2021/2021-03_GIMP-2.10.24_Released/index.md
@@ -80,6 +80,13 @@ particular since it contains georeferencing data, some type of image
 transform could make the data meaningless. This is up to you to know
 what the data references and how to keep its meaning.
 
+<figure>
+<img src="{attach}gimp-2.10.24-save-geotiff.png" alt="Save GeoTIFF metadata as imported - GIMP 2.10.24"/>
+<figcaption>
+<em>Save GeoTIFF metadata as imported - GIMP 2.10.24</em>
+</figcaption>
+</figure>
+
 This nice little story shows once again a power of Free Software, which
 is before all a software made by yourself. Anyone who contributes is
 part of the GIMP team! 🤗
@@ -154,7 +161,7 @@ next development release news.
 ## Negative Darkroom
 
 Additionally to the other improvements, a new very interesting operation
-appears in GEGL: `negative-darkroom`.
+appears in GEGL, contributed by Jonny Robbie: `negative-darkroom`.
 
 This operation is for artists who use hybrid workflow technique of
 analog photography. After scanning a developed negative, this operation