More Tips...
Tip 1:

Colour your graphs, chart or diagrams to make it appealing to the audience.

Tip 2:

Choose a colour scheme that is harmonious.

Tip 3:

Choose fonts that are legible.

Tip 4:

Create a box for your text to emphasize it and to make it organized.

Tip 5:

Create a gradient fill background instead of just plain colour.

Tip 6:

Indicate arrows or lines in a diagram.

Tip 7:

Create a photo watermark for your poster background.