Select
...
and choose color
Then click on the beads
to
change color.
Select
... and choose color
Then draw the line
Select another color
to draw the other line.
You can resize your picture
by dragging the
three image resize handles,
located at the
bottom right corner
and along the bottom
and right sides of your picture.
All done ?
Select "File" ... select "Save"
Select a folder for your
pattern...
Enter the File Name: "my..."
Save as type: Select "GIF
(*.gif)"
... all done.