Information Links:
15 – https://www.bloomsbury-international.com/en/student-ezone/idiom-of-the-week/list-of-idioms/101-butter-someone-up.html
https://history.howstuffworks.com/history-vs-myth/10-expressions-from-ancient-world9.htm
https://english.stackexchange.com/questions/363270/whats-the-origin-of-butter-her-up
14 – https://www.phrases.org.uk/meanings/straight-from-the-horses-mouth.html
https://www.bloomsbury-international.com/en/index/25-en/ezone/idiom-of-the-week/1703-straight-from-the-horse-s-mouth.html
https://www.theidioms.com/straight-from-the-horses-mouth/
13 – https://en.wikipedia.org/wiki/Turning_a_blind_eye
https://www.macmillandictionary.com/us/dictionary/american/turn-a-blind-eye-to-something
https://www.phrases.org.uk/meanings/turn-a-blind-eye.html
12 – http://mentalfloss.com/article/33503/where-did-phrase-caught-red-handed-come
https://www.phrases.org.uk/meanings/caught-red-handed.html
https://en.wiktionary.org/wiki/red-handed#Etymology
11 – https://en.wikipedia.org/wiki/Bite_the_bullet
https://www.phrases.org.uk/meanings/bite-the-bullet.html
https://english.stackexchange.com/questions/247999/meaning-and-origin-of-bite-the-bullet
10 – https://www.phrases.org.uk/meanings/thats-all-she-wrote.html
https://en.wiktionary.org/wiki/that%27s_all_she_wrote
https://grammarist.com/idiom/thats-all-she-wrote/
9 – https://www.phrases.org.uk/meanings/let-the-cat-out-of-the-bag.html
https://en.wikipedia.org/wiki/Letting_the_cat_out_of_the_bag
http://www.todayifoundout.com/index.php/2014/01/expression-let-cat-bag-come/
8 – https://english.stackexchange.com/questions/186599/meaning-of-balls-to-the-wall
https://en.wiktionary.org/wiki/balls_to_the_wall
7 – https://grammarist.com/idiom/pull-out-all-the-stops/
https://en.wiktionary.org/wiki/pull_out_all_the_stops#Etymology
https://www.phrases.org.uk/meanings/pull-out-all-the-stops.html
6 – https://www.gingersoftware.com/content/phrases/beat-around-the-bush/#.XCbz4VxKhhE
https://www.phrases.org.uk/meanings/beat-around-the-bush.html
https://en.wiktionary.org/wiki/beat_around_the_bush
5 – https://www.phrases.org.uk/meanings/crocodile-tears.html
https://blog.oxforddictionaries.com/2012/01/23/can-crocodiles-really-cry/
https://en.wikipedia.org/wiki/Crocodile_tears
4 – https://www.gingersoftware.com/content/phrases/flash-in-the-pan/#.XCb2yFxKhhE
https://en.wiktionary.org/wiki/flash_in_the_pan
https://www.phrases.org.uk/meanings/flash-in-the-pan.html
3 – https://english.stackexchange.com/questions/43816/whats-with-the-third-degree
https://en.wikipedia.org/wiki/Third_degree_(interrogation)
https://www.phrases.org.uk/meanings/372300.html
2 – https://en.wikipedia.org/wiki/The_whole_nine_yards#Origin
https://www.nytimes.com/2012/12/27/books/the-whole-nine-yards-seeking-a-phrases-origin.html
https://www.theguardian.com/notesandqueries/query/0,,-16675,00.html
1 – https://en.wikipedia.org/wiki/Taking_the_piss#Origin
http://www.worldwidewords.org/qa/qa-tak2.htm
https://www.urbandictionary.com/define.php?term=taking%20the%20piss

Image Links:

Intro:
https://www.shutterstock.com/image-photo/crazy-man-communicating-on-walkietalkie-94785724
https://www.shutterstock.com/image-photo/medicine-plaster-patch-on-human-injury-86869426
https://www.shutterstock.com/image-photo/language-barrier-concept-handsome-man-talking-754147192

15:
https://www.shutterstock.com/image-photo/flattered-happy-pretty-blond-girl-smiling-1174921441
https://www.shutterstock.com/image-photo/people-holding-small-indian-flags-rally-1054217294
https://www.shutterstock.com/image-photo/man-throwing-pie-womans-face-149463020
https://www.shutterstock.com/image-photo/butter-520248964
https://pixabay.com/photos/sculpture-greek-statue-figure-art-1111260/

14:
https://www.shutterstock.com/image-photo/stockholm-june-6-group-jockeys-horses-285086408
https://www.shutterstock.com/image-photo/coquitlam-bc-canada-may-8-2014-191808173
https://www.shutterstock.com/image-photo/cheerful-cowboy-horse-stable-207427312
https://www.shutterstock.com/image-photo/funny-horse-face-open-mouthed-looking-699250522

13:
https://upload.wikimedia.org/wikipedia/commons/thumb/7/72/HoratioNelson1.jpg/800px-HoratioNelson1.jpg
https://www.shutterstock.com/image-photo/portrait-man-wearing-eye-patch-saluting-121736932
https://www.shutterstock.com/image-photo/gdansk-poland-may-5-reconstruction-sea-102063496
https://www.shutterstock.com/image-photo/pirate-looks-through-telescope-smokes-pipe-75238372

12:
https://www.shutterstock.com/image-photo/hands-blood-background-1203894889
https://www.shutterstock.com/image-photo/male-hand-bloody-knife-over-concrete-370046636
https://www.shutterstock.com/image-photo/hunters-catch-hare-duck-pheasant-hand-107225816
https://www.shutterstock.com/image-photo/bloody-theme-lone-murderer-shows-hands-245532790

11:
https://www.shutterstock.com/image-photo/angry-boy-224022811
https://www.shutterstock.com/image-photo/detail-doctor-holding-clipboard-224864116
https://www.shutterstock.com/image-photo/armed-teeth-concept-about-gun-control-600608000
https://www.shutterstock.com/image-photo/british-special-forces-soldiers-weapons-during-1306264543

10:
https://www.phrases.org.uk/images/thats-all-she-wrote.jpg
https://www.shutterstock.com/image-photo/blyth-northumberland-may-19-2013-battery-140137849
https://www.shutterstock.com/image-photo/beijing-china-september-1993-tien-men-581597689
https://www.shutterstock.com/image-photo/couple-holding-two-halves-broken-heart-362866388

9:
https://www.shutterstock.com/image-photo/man-telling-astonished-woman-some-secrets-96492581
https://www.shutterstock.com/image-photo/farmer-holding-on-hands-young-piglet-134362820
http://www.todayifoundout.com/wp-content/uploads/2014/01/cat-bag.jpg
https://www.shutterstock.com/image-photo/kashgar-xinjiang-china-september-15-2018-1267525831

8:
https://www.shutterstock.com/image-photo/male-suffering-pain-urogenital-system-disease-673874029
https://commons.wikimedia.org/wiki/File:Center_panel_of_B747-100_cockpit.jpg
https://www.shutterstock.com/image-photo/privat-light-airplane-aircraft-fly-on-1065951116

7:
https://www.shutterstock.com/image-photo/close-view-organist-playing-pipe-organ-131315303
https://www.shutterstock.com/image-photo/lodz-poland-october-20-2017-detail-745816528

6:
https://www.shutterstock.com/image-photo/father-sun-hunting-316666838
https://www.shutterstock.com/image-photo/hunter-putting-leghold-trap-beaver-238467850
https://www.shutterstock.com/image-photo/hunter-german-drathaar-spaniel-pigeon-hunting-1326528635
https://www.shutterstock.com/image-photo/suspicious-bearded-man-looks-doubtfully-curves-744196789

5:
https://www.shutterstock.com/image-photo/man-wearing-hilarious-mask-deceiver-1042033690
https://pixabay.com/photos/crocodile-tooth-reptile-alligator-1660512/
https://pixabay.com/photos/crocodile-eye-animal-nature-630233/
https://pixabay.com/photos/animals-crocodile-foot-tooth-maw-739174/

4:
https://pixabay.com/photos/pan-kitchenware-teflon-utensil-544679/
https://pixabay.com/photos/firearm-revolver-bullet-gun-weapon-409252/
https://pixabay.com/photos/tower-pistol-pistol-tower-flintlock-2217141/

3:
https://www.shutterstock.com/image-photo/middleaged-man-thinking-about-his-statement-716361853
https://www.shutterstock.com/image-photo/closed-finger-on-keyboard-word-membership-566411434
https://www.shutterstock.com/image-photo/young-crying-criminal-police-interrogation-room-306850151
https://www.shutterstock.com/image-photo/lie-detector-test-1103314301

2:
https://pixabay.com/photos/football-players-competition-game-535885/
https://www.shutterstock.com/image-illustration/vintage-style-image-world-war-2-173486294
https://www.shutterstock.com/image-photo/b17-gun-turret-black-white-1693859

1:
https://www.shutterstock.com/image-photo/english-education-man-reading-book-121292020
https://www.shutterstock.com/image-photo/little-boy-painting-his-fathers-face-1023966205
https://www.shutterstock.com/image-photo/cantho-city-vietnam-july-2018-unidentified-1169644915
https://www.shutterstock.com/image-photo/urine-samples-analysis-1232810302
https://www.shutterstock.com/image-photo/shipment-box-wine-2302771