1. Copy aseprite.desktop to /usr/share/applications/aseprite.desktop
  2. Copy aseprite_48x48.png to /usr/share/icons/hicolor/48x48/apps/aseprite.png
  3. Copy aseprite_16x16.png to /usr/share/icons/hicolor/16x16/apps/aseprite.png
  4. Copy aseprite_64x64.png to /usr/share/icons/hicolor/64x64/apps/aseprite.png
  5. Copy aseprite_32x32.png to /usr/share/icons/hicolor/32x32/apps/aseprite.png
  6. Execute "lxpanelctl restart"