Fix profile image centering and OpenToonz icon

Author: YousefMohamd

index.njk

@@ -63,7 +63,7 @@ eleventyNavigation:
     <li><img src="{{ '/img/icons/darktable.svg' | url }}" alt=""><span>Darktable</span></li>
     <li><img src="{{ '/img/icons/shotcut.svg' | url }}" alt=""><span>Shotcut</span></li>
     <li><img src="https://cdn.simpleicons.org/davinciresolve" alt=""><span>DaVinci Resolve — Master (editing &amp; color grading)</span></li>
-    <li><img src="/img/icons/opentoonz.svg" alt=""><span>OpenToonz — 2D animation</span></li>
+    <li><img src="https://cdn.simpleicons.org/opentoonz" alt=""><span>OpenToonz — 2D animation</span></li>
     <li><img src="{{ '/img/icons/natron.svg' | url }}" alt=""><span>Natron — Node-based compositing</span></li>
     <li><span>Waveform 13 (audio editing / DAW)</span></li>
     <li><img src="{{ '/img/icons/cinema4d.svg' | url }}" alt=""><span>Cinema 4D (1 year, 2023)</span></li>