I felt I needed a little help in the lighting department for my hobby birding photo trips, so got myself a Better Beam flash extender. Added to the DIY ground pod, it does make a noticeable improvement:
www.Loz.Pics 20150321_104500 by Trugga, on FlickrIMAGE LINK: https://flic.kr/p/rptYCV
www.Loz.Pics IMG_7715 by Trugga, on Flickr
The only issue I have now is aligning myself with the viewfinder.