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

public/img/flags/pl.svg

@@ -1,6 +1,128 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-pl" viewBox="0 0 640 480">
-  <g fill-rule="evenodd">
-    <path fill="#fff" d="M640 480H0V0h640z"/>
-    <path fill="#dc143c" d="M640 480H0V240h640z"/>
-  </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="341.32599"
+   width="512"
+   sodipodi:docname="pl.svg"
+   xml:space="preserve"
+   viewBox="0 0 512 341.32599"
+   y="0px"
+   x="0px"
+   id="Capa_1"
+   version="1.1"><metadata
+   id="metadata11379"><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="defs11377" /><sodipodi:namedview
+   inkscape:current-layer="Capa_1"
+   inkscape:window-maximized="0"
+   inkscape:window-y="0"
+   inkscape:window-x="0"
+   inkscape:cy="170.663"
+   inkscape:cx="256"
+   inkscape:zoom="1.6386719"
+   showgrid="false"
+   id="namedview11375"
+   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" />
+<g
+   transform="translate(0,-85.336998)"
+   id="g11340">
+	<rect
+   x="0"
+   id="rect11336"
+   height="341.32599"
+   width="512"
+   style="fill:#f0f0f0"
+   y="85.336998" />
+	<rect
+   x="0"
+   id="rect11338"
+   height="170.66299"
+   width="512"
+   style="fill:#f0f0f0"
+   y="85.336998" />
+</g>
+<rect
+   x="0"
+   id="rect11342"
+   height="170.66299"
+   width="512"
+   style="fill:#d80027"
+   y="170.66299" />
+<g
+   transform="translate(0,-85.336998)"
+   id="g11344">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11346">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11348">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11350">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11352">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11354">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11356">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11358">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11360">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11362">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11364">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11366">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11368">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11370">
+</g>
+<g
+   transform="translate(0,-85.336998)"
+   id="g11372">
+</g>
 </svg>