Don't use old images on your DM7020HD,
there was a few SW bugs in the beginning.
The Gemini Team doesn't make images any more.
You can use Enigma2 release 3.2.4 (OE1.6) and the GP3 plugin,
or the newest experimental (OE2.0.0) image from dreamboxupdate.com and the GP3.2 plugin.