diff --git a/TODO b/TODO
index 68799b4..9cb74e2 100644
--- a/TODO
+++ b/TODO
@@ -6,3 +6,5 @@ Dvojtecky na titulni strane by mohly byt centrovane
 Ctverecek na konci dukazu by mohl byt na konci odstavce.
 
 Zdroj pdfx: https://www.ctan.org/pkg/pdfx
+
+Konverze obrázků: gs -q -dNOPAUSE -dBATCH -dPDFSETTINGS=/prepress -sDEVICE=pdfwrite -sOutputFile=vystup.pdf vstup.pdf  ; done
diff --git a/img/ukazka-obr01.pdf b/img/ukazka-obr01.pdf
index cd293fd..ed1e3c6 100644
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diff --git a/img/ukazka-obr02.pdf b/img/ukazka-obr02.pdf
index 145378e..441b756 100644
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diff --git a/img/ukazka-obr03.pdf b/img/ukazka-obr03.pdf
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