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/he.po

@@ -10,7 +10,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: he\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: 2009-05-10 21:45+0200\n"
 "Last-Translator: Jorge Mariano <jmariano@ymail.com>\n"
 "Language-Team: Hebrew <mdk-hebrew@iglu.org.il>\n"
@@ -1406,12 +1406,18 @@ msgstr "לחצי והזיזי את העכבר להפיכת התמונה לציו
 msgid "Click to turn the entire picture into a chalk drawing."
 msgstr "לחצי והזיזי את העכבר להפיכת התמונה לציור גיר."
 
-#: ../../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 "לחצי והזיזי את העכבר כדי לגרום לתמונה לטפטף."
 
+#: ../../magic/src/blocks_chalk_drip.c:180
+#, fuzzy
+#| msgid "Click to sharpen the entire picture."
+msgid "Click to make the entire picture drip."
+msgstr "לחצי לחידוד התמונה כולה."
+
 #: ../../magic/src/blur.c:81
 msgid "Blur"
 msgstr "טשטוש"