I'd say 2, 7, 8, and winterwonderland 10 seem quite ok. Probably 6 will show up on the map. One problem might get the contrast level with black space background. 

For myself I prefer logical symbols which inspire me about the background of a whole alien culture. #9 looks like Brazil in Space to me, while others might be .. mandalas? No harm. Thx for your contribution.

Yesterday I updated the logo set to version 1.1

Thanks. I have uploaded a 128x128 png below that may go well for a feline race or for pirates. The tiger is black and red because of the black background on these forums. Anyone can change/edit this png how ever they want.