Cropped and compressed images

Why is this change being made?

Cropped one image so it would be more visible on the release post. Compressed others so the file size is not as large.

Also removed unnecessary .gitkeep file that was added accidentally.

Author Checklist

• Provided a concise title for this Merge Request (MR)
• Added a description to this MR explaining the reasons for the proposed change, per say why, not just what
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