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

public/img/flags/sd.svg

@@ -1,13 +1,128 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-sd" viewBox="0 0 640 480">
-  <defs>
-    <clipPath id="a">
-      <path fill-opacity=".7" d="M0 0h682.7v512H0z"/>
-    </clipPath>
-  </defs>
-  <g fill-rule="evenodd" stroke-width="1pt" clip-path="url(#a)" transform="scale(.9375)">
-    <path d="M0 341.3h1024V512H0z"/>
-    <path fill="#fff" d="M0 170.6h1024v170.7H0z"/>
-    <path fill="red" d="M0 0h1024.8v170.7H0z"/>
-    <path fill="#009a00" d="M0 0v512l341.3-256L0 0z"/>
-  </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="sd.svg"
+   xml:space="preserve"
+   viewBox="0 0 512 341.33701"
+   y="0px"
+   x="0px"
+   id="Capa_1"
+   version="1.1"><metadata
+   id="metadata12354"><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="defs12352" /><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="namedview12350"
+   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="rect12311"
+   height="341.32599"
+   width="512"
+   style="fill:#f0f0f0"
+   y="0.0059979861" />
+<rect
+   x="0"
+   id="rect12313"
+   height="113.775"
+   width="512"
+   style="fill:#d80027"
+   y="0.0059979861" />
+<rect
+   x="0"
+   id="rect12315"
+   height="113.775"
+   width="512"
+   y="227.55701" />
+<polygon
+   transform="translate(0,-85.331)"
+   id="polygon12317"
+   points="256,256.006 0,426.668 0,85.331 "
+   style="fill:#496e2d" />
+<g
+   transform="translate(0,-85.331)"
+   id="g12319">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12321">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12323">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12325">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12327">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12329">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12331">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12333">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12335">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12337">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12339">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12341">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12343">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12345">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g12347">
+</g>
 </svg>