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

public/img/flags/cg.svg

@@ -1,12 +1,120 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-cg" viewBox="0 0 640 480">
-  <defs>
-    <clipPath id="a">
-      <path fill-opacity=".7" d="M-79.5 32h640v480h-640z"/>
-    </clipPath>
-  </defs>
-  <g fill-rule="evenodd" stroke-width="1pt" clip-path="url(#a)" transform="translate(79.5 -32)">
-    <path fill="#ff0" d="M-119.5 32h720v480h-720z"/>
-    <path fill="#00ca00" d="M-119.5 32v480l480-480h-480z"/>
-    <path fill="red" d="M120.5 512h480V32l-480 480z"/>
-  </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="cg.svg"
+   xml:space="preserve"
+   viewBox="0 0 512 341.33701"
+   y="0px"
+   x="0px"
+   id="Capa_1"
+   version="1.1"><metadata
+   id="metadata2555"><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="defs2553" /><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="namedview2551"
+   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="rect2514"
+   height="341.33701"
+   width="512"
+   style="fill:#d80027"
+   y="1.2817383e-06" />
+<polygon
+   transform="translate(0,-85.331)"
+   id="polygon2516"
+   points="0,426.657 0,85.331 443.726,85.331 102.4,426.657 "
+   style="fill:#6da544" />
+<polygon
+   transform="translate(0,-85.331)"
+   id="polygon2518"
+   points="11.876,426.657 353.202,85.331 500.124,85.331 158.798,426.657 "
+   style="fill:#ffda44" />
+<g
+   transform="translate(0,-85.331)"
+   id="g2520">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2522">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2524">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2526">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2528">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2530">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2532">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2534">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2536">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2538">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2540">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2542">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2544">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2546">
+</g>
+<g
+   transform="translate(0,-85.331)"
+   id="g2548">
+</g>
 </svg>