Drip - Better full-canvas effect; proper description

h/t Karl, code by Pere (w/ some clean-up by me)

Closes https://sourceforge.net/p/tuxpaint/bugs/256/

src/po/mk.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tuxpaint\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-07-03 16:31-0700\n"
+"POT-Creation-Date: 2022-07-03 16:39-0700\n"
 "PO-Revision-Date: 2006-06-17 23:07+0000\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: Macedonian <mk@li.org>\n"
@@ -1407,12 +1407,17 @@ msgstr ""
 "Кликнете и движете го глувчето наоколу за да ја претворите сликата во цртеж "
 "со креда."
 
-#: ../../magic/src/blocks_chalk_drip.c:174
+#: ../../magic/src/blocks_chalk_drip.c:176
 #, fuzzy
 #| msgid "Click and move the mouse around to make the picture drip."
 msgid "Click and drag the mouse around to make the picture drip."
 msgstr "Кликнете на глувчето и влечете го наоколу за боите  да протечат."
 
+#: ../../magic/src/blocks_chalk_drip.c:180
+#, fuzzy
+msgid "Click to make the entire picture drip."
+msgstr "Кликнете за да направите огледална слика."
+
 #: ../../magic/src/blur.c:81
 msgid "Blur"
 msgstr "Замати"