Dear Tobias,
Here is the link to Girimananda Sutta Desana on YouTube
29th Aug – Asubha Sanna – https://www.youtube.com/watch?v=1n9Vi948-BI
22nd Aug – Asubha Sanna – https://www.youtube.com/watch?v=yb8EtUe0mAE&t=2079s
15th Aug – Anatta Sanna – https://www.youtube.com/watch?v=oRzZ0axdfHs&t=6s
Do let me know if you are also interested in joining the desana held every Wednesday, 6:30 PM Sri Lanka / India time. The organiser could send you the link on Skype where you can login