Use online phonemic keyboard to copy and paste IPA transcriptions:

http://westonruter.github.io/ipa-chart/keyboard/

Listen to English vowels & consonants in Adrian Underhill's interactive phonemic chart:

https://www.onestopenglish.com/pronunciation/interactive-phonemic-chart-british-english/156649.article

Learn & test yourself on the IPA symbols:

http://www.phonemicchart.com/learn/

Read about triphthongs and listen to smoothing

http://www.englishpronunciationmadrid.com/vowels/vowels/smoothing/

Test yourself labelling English consonants in John Maidment's Fonetic Flash:

http://www.phon.ucl.ac.uk/home/johnm/flash/findrp.htm 

Check out this interactive tutorial on English plosives on the UCL SIPhTrA webpage:

http://www.phon.ucl.ac.uk/cgi-bin/wtutor?tutorial=siphtra/plostut1/plostut1.htm 

Practise transcribing simple words in IPA on David Brett's website:

Listen to theory and play some examples of weak form words in connected speech on David Brett's website

http://davidbrett.uniss.it/phonology/transcription%20exercises/index_of_transcription_exercises.htm

Practise phonemic transcription of short phrases & sentences on David Brett's website:

http://davidbrett.uniss.it/index.php?id=wf1

Read on and listen to the alveolar tap/flap in a Wikipedia article:

http://en.wikipedia.org/wiki/Alveolar_tap

Varieties of English pronunciation: BBC v GA

Aspects of connected speech 1

Whatch a teacher explaining stress-timing in a video:

http://www.youtube.com/watch?v=dT30zZCXjIU

Read, listen and do excercises on yod coalescence on David Brett's website:

http://davidbrett.uniss.it/index.php?id=yc

Read, listen and do excercises on elision on David Brett's website:

http://davidbrett.uniss.it/phonology/notes%20and%20exercises/elision/elision.htm

http://davidbrett.uniss.it/index.php?id=rl

Listen to the explanation of 7 nuclear tones by an English language teacher:

http://www.youtube.com/watch?v=_HGxfR7Sziw 

Learn about the the basic sentence intonation patterns (falling & rising tones) in an IELTS video (Australian English)

http://www.youtube.com/watch?v=YdgRtYg_oAE

PART 1: What intonation is, falling & rising intonation

http://www.youtube.com/watch?v=g2bHdXcszJ4

PART 2: Falling & rising intonation + practice with falling intonation

http://www.youtube.com/watch?v=Qh6kUsJcu3k

PART 3: Rising intonation pattern

http://www.youtube.com/watch?v=k80wiT0t2rc

PART 4: Practice with intonation in questions

http://www.youtube.com/watch?v=qLGJb63mkyA