I am currently using Launcher 7 and am enjoying it. I decided to make a set of icons for my own use and thought I would share. These are png's with a transparent background so if you want to change the background color of your icons, you can do it easily.
Launcher 7 Donate
. Not sure if this will work with the free version. Disclaimer, I am not affiliated with Launcher 7 in any way.
As stated earlier, these have a transparent background and work well set as the Background for the selected App.
To use these, just download the zip file, and save in whatever folder you want.
Then unzip and transfer the folder to your phones gallery/picture folder on your phone.
To change the icon for the selected app, just press and hold the icon you want to change.
Then click on the pen in the top left corner of the icon to edit. Slide to the next screen (slide to the left) and turn off "Display Icon" and turn on "Background Image".
Then click "Change Picture". Select "Select from SD card", find the icons folder and choose the desired icon. You can choose the background color for each tile or change them all to the same color.
If you want a specific icon made just let me know