More to explore:
No sew curtains and make your own curtain rod. I'd use fabric paint and no sew hem tape instead of acrylic and glue gun.
DIY: No sew panels. Drop cloth, hot glue, acrylic paint. You could really pull your room colors into window treatments!
canvas drop cloth, paint & a glue gun. There's also a great tutorial for making her curtain rod
No Sew Curtain Panels. Canvas dropcloth + acrylic paint + glue gun!
No sew panel curtains from canvas drop cloths
DIY No Sew Curtains and DIY Curtain Rods
No sew panels AND DIY curtain rod