Checking if your kit is complete...
Looks good
Writing Makefile for Tk::Thumbnail
d:/cpanrun/build/5-6-1/site/lib
i.e. building outside Tk itself
Warning: prerequisite Tk::MultiMediaControls failed to load: Can't locate Tk/PNG.pm in @INC (@INC contains: D:\cpanrun\depot\main\Apps\CPAN_Run\lib d:/cpanrun/build/5-6-1/lib d:/cpanrun/build/5-6-1/site/lib .) at d:/cpanrun/build/5-6-1/site/lib/Tk/widgets.pm line 14.
BEGIN failed--compilation aborted at d:/cpanrun/build/5-6-1/site/lib/Tk/MultiMediaControls.pm line 10.
Compilation failed in require at (eval 10) line 3.
cp Thumbnail.pm blib\lib\Tk/Thumbnail.pm
cp images/info3.png blib\lib\Tk/Thumbnail/images/info3.png
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e cp tkthumb blib\script\tkthumb
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib  -e "system qq[pl2bat.bat ].shift" blib\script\tkthumb
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e cp tkthumb blAssuming 'require Tk::Thumbnail;' at test.pl line 22
e -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib  -e "system qq[pl2bat.bat ].shift" blib\script\tkthumb
	D:\cpanrun\build\5-6-1\bin\perl.exe -Iblib\arch -Iblib\lib -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib test.pl
1..12
ok 1
ok 2
ok 3
not ok 4
# Test 4 got: 'Can't locate Tk/JPEG.pm in @INC (@INC contains: blib\arch blib\lib d:\cpanrun\build\5-6-1\lib d:\cpanrun\build\5-6-1\lib D:\cpanrun\depot\main\Apps\CPAN_Run\lib D:/cpanrun/build/5-6-1/lib D:/cpanrun/build/5-6-1/site/lib .) at D:/cpanrun/build/5-6-1/site/lib/Tk/widgets.pm line 14.
BEGIN failed--compilation aborted at blib\lib/Tk/Thumbnail.pm line 7.
Compilation failed in require at (eval 12) line 1.
' (test.pl at line 20)
#   Expected: '' (Error loading Tk::Thumbnail)
not ok 5
# Test 5 got: 'Failed to AUTOLOAD 'Tk::Widget::Thumbnail' at test.pl line 22
' (test.pl at line 23)
#   Expected: '' (can't create Thumbnail widget)
ok 6 # Failed to AUTOLOAD 'Tk::Widget::Thumbnail' at test.pl line 22

ok 7 # skip
ok 8 # skip
ok 9 # skip
ok 10 # skip
ok 11 # skip

Now type:  perl -Mblib thumbnail.pl

	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e cp tkthumb blib\script\tkthumb
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib  -e "system qq[pl2bat.bat ].shift" blib\script\tkthumb
Installing D:\cpanrun\build\5-6-1\site\lib\Tk\Thumbnail.pm
Installing D:\cpanrun\build\5-6-1\site\lib\Tk\Thumbnail\images\info3.png
Installing D:\cpanrun\build\5-6-1\bin\tkthumb
Installing D:\cpanrun\build\5-6-1\bin\tkthumb.bat
Writing d:\cpanrun\build\5-6-1\site\lib\auto\Tk\Thumbnail\.packlist
Appending installation info to d:\cpanrun\build\5-6-1\lib/perllocal.pod