Possible Half Term project for conservatory blinds. DIY No-Sew Fabric Covered Blackout Roller Blinds by The DIY Mommy. Just use spray adhesive, fabric and ribbon for an exciting update to your roller blinds!
Design*Sponge Roller Blinds Tutorial - remove the vinyl and replace it with your own fabric. or use a spray-adhesive to glue a lightweight fabric over the existing shade on a vinyl blind (see comments)