I did a search on Amazon for "floral vinyl decals" and came up with these:
http://www.amazon.com/s/ref=nb_sb_no...+decals+floral
A search on "vinyl decals sewing machine" came up with these:
http://www.amazon.com/s/ref=nb_sb_no...sewing+machine
You can cut out individual flowers, etc. from the larger decals.