英文關鍵字
frame
abstract
air
alphachannel
animation
aqua
art
backdrop
background
ball
balls
beauty
blue
bubble
particles
clean
creative
decorative
design
drop
element
floating
fresh
geometric
graphic
halftone
liquid
macro
magic
motion
natural
nature
ocean
organic
oxygen
particle
pattern
realistic
round
sea
sphere
texture
underwater
wallpaper
water
wet