Make the flower and the ground on a transparent background. Use a white underlayer to help you see what you are doing.
Once done, change the underlayer to black, and then you will start to adjust your image to best work with the black background. You can use Lighting Effects, adjust Brightness and Contrast, or use various Adjustment layers and opacities to get it set "to taste."
It's hard to give you more specific instructions with just a general description.
Upload your drawing, and perhaps someone can help you with a visual.
Is this the logo you are trying to recreate?

?
Other than drawing the figure with the pen tool, I don't understand what you are trying to accomplish.
You have to have a modicum of drawing skills to create with any application. You can do this with shapes, or the paintbrush, but there aren't any tutorials telling you specifically how to draw with the tools...
There are some excellent articles online on using the Pen Tool to create clean line drawings and shapes. Start with those.
~MO