Sparkle Ribbon

What are some tips for winning the visual competitions and matching the themes in Pokemon Diamond?

Does anyone have any tips for me to do better in the visual part of contests and match the themes?
I have-

Examples that can give you high points:

THE COLORFUL
Yellow Fluff
Colorfulf
Blue Scale
Green Scale
Red Flower
Orange Flower
Flag

SHARPNESS
Narrow Scale
Big Scale
Blue Feather
Red Feather
Shed Horn
Thin Mushroom
Spring

NATURE
White Fluff
Brown Fluff
Snaggy Pebble
Shed Claw
Thick Mushroom
Pretty Dewdrop
Snow Crystal

THE CREATED
Black Moustache
White Moustache
Spring
Glitter Powder
Googly Specs
Black Specs
Confetti

SHAPELY
Round Pebble
Jagged Boulder
White Flower
Pink Flower
Turtwig Mask
Chimchar Mask
Piplup Mask

INTANGIBLE
Glitter Power
Shimmering Fire
Puffy Smoke
Humming Note
Confetti
Spotlight
Flag

RELAXATION
Brown Fluff
Black Fluff
Jagged Boulder
Black Pebble
Blue Scale
Narrow Scale
Black Beard

BRIGHTNESS
Yellow Fluff
White Fluff
Glitter Boulder
Big Scale
Yellow Feather
White Beard
Shed Horn

THE SOLID
Jagged Boulder
Mini Pebble
Thin Scale
Shed Horn
Peculiar Spoon
Black Specs
Sweet Candy

FLEXIBILITY
Orange Fluff
Black Moustache
Small Leaf
Pretty Dewdrop
Comet
Poison Extract
Confetti

THE GAUDY
Round Pebble
Mini Pebble
Green Scale
Purple Scale
Red Feather
Glitter Powder
Spotlight

THE FESTIVE
Glitter Boulder
Pretty Dewdrop
Snow Crystal
Mystic Fire
Glitter Powder
Gorgeous Specs
Colored Parasol

Sparkle Ribbon on helium balloons