Elefant, fish-icon and frame_hearts SVGs touched the edges and got ugly strips at some Tux Paint's window sizes. Remade them in inkscape and put a margin of 3 units on each side.

starters/elephant.svg

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!-- Created with Inkscape (http://www.inkscape.org/) -->
+
 <svg
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:cc="http://creativecommons.org/ns#"
@@ -8,13 +9,12 @@
    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"
-   height="472"
+   height="455.78763"
    id="svg2"
-   inkscape:version="0.46"
-   sodipodi:docbase="C:\DOCUME~1\User\MYDOCU~1\MYPICT~1\CLIPAR~1"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
    sodipodi:docname="elephant.svg"
    sodipodi:version="0.32"
-   width="608"
+   width="613.99933"
    inkscape:output_extension="org.inkscape.output.svg.inkscape"
    version="1.0">
   <metadata
@@ -83,27 +83,34 @@
      borderopacity="1.0"
      id="base"
      inkscape:current-layer="svg2"
-     inkscape:cx="372.04725"
-     inkscape:cy="283.55615"
+     inkscape:cx="375.0458"
+     inkscape:cy="288.42106"
      inkscape:document-units="px"
      inkscape:guide-bbox="true"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
      inkscape:window-height="726"
      inkscape:window-width="1024"
-     inkscape:window-x="406"
-     inkscape:window-y="120"
+     inkscape:window-x="611"
+     inkscape:window-y="70"
      inkscape:zoom="0.51123084"
      pagecolor="#ffffff"
      showgrid="true"
-     showguides="true">
+     showguides="true"
+     fit-margin-top="3"
+     fit-margin-left="3"
+     fit-margin-bottom="3"
+     fit-margin-right="3"
+     inkscape:window-maximized="0">
     <sodipodi:guide
        id="guide9809"
        orientation="vertical"
-       position="-528.13715" />
+       position="-525.1386,4.8649025"
+       inkscape:locked="false" />
   </sodipodi:namedview>
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-     style="fill:none;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:0.87462372px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
+     style="fill:none;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:0.87462372px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     inkscape:connector-curvature="0" />
 </svg>