Using alias actor ID when available. Using basic SVG flags instead of PNG. Moved PNG and HD SVG flags to assets.

public/img/flags/so.svg

@@ -1,11 +1,115 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-so" viewBox="0 0 640 480">
-  <defs>
-    <clipPath id="a">
-      <path fill-opacity=".7" d="M-85.3 0h682.6v512H-85.3z"/>
-    </clipPath>
-  </defs>
-  <g fill-rule="evenodd" clip-path="url(#a)" transform="translate(80) scale(.9375)">
-    <path fill="#40a6ff" d="M-128 0h768v512h-768z"/>
-    <path fill="#fff" d="M336.5 381.2L254 327.7l-82.1 54 30.5-87.7-82-54.2L222 239l31.4-87.5 32.1 87.3 101.4.1-81.5 54.7 31.2 87.6z"/>
-  </g>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   height="341.33701"
+   width="512"
+   sodipodi:docname="so.svg"
+   xml:space="preserve"
+   viewBox="0 0 512 341.33701"
+   y="0px"
+   x="0px"
+   id="Capa_1"
+   version="1.1"><metadata
+   id="metadata12861"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+   id="defs12859" /><sodipodi:namedview
+   inkscape:current-layer="Capa_1"
+   inkscape:window-maximized="0"
+   inkscape:window-y="0"
+   inkscape:window-x="0"
+   inkscape:cy="170.669"
+   inkscape:cx="256"
+   inkscape:zoom="1.6386719"
+   showgrid="false"
+   id="namedview12857"
+   inkscape:window-height="1020"
+   inkscape:window-width="1485"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<rect
+   x="0"
+   id="rect12822"
+   height="341.33701"
+   width="512"
+   style="fill:#338af3"
+   y="0" />
+<polygon
+   transform="translate(0,-85.331001)"
+   id="polygon12824"
+   points="352,227.021 292.668,270.127 315.332,339.876 256,296.769 196.668,339.876 219.332,270.127 160,227.021 233.337,227.021 256,157.273 278.663,227.021 "
+   style="fill:#f0f0f0" />
+<g
+   transform="translate(0,-85.331001)"
+   id="g12826">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12828">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12830">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12832">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12834">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12836">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12838">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12840">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12842">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12844">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12846">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12848">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12850">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12852">
+</g>
+<g
+   transform="translate(0,-85.331001)"
+   id="g12854">
+</g>
 </svg>