Inversions

https://anchor.fm/c2proficiencyquest/episodes/5-Inversions-party-Not-only----but-also-eannm3
This is a podcast

More inversions

http://fullspate.digitalcounterrevolution.co.uk/efl-advanced-grammar/

                                                                    Both information and a few exercises to practise inversions.

http://cpe-2011.blogspot.com.es/2011/02/overview-of-inversions-and-links-to.html

http://www.tolearnenglish.com/english_lessons/english-exercises-on-inversion

Fronting and inversions exercises

http://www.carmenlu.com/sixth/grammar/inversion-cond6.htm