Enter our photocrowd contests online to win

Your chance to enter the UK’s most prestigious com petition for amateur photographers Round three

Image editing plug-ins to broaden your photographic horizons

Here are the top ten images uploaded to Photocrowd from Round One, Black & White, with comments by the AP team and our guest judges

Manage your ever–growing photo collection and edit pictures to perfection

Get to grips with the powerful toolset on Mac

1 Use this button to toggle between regular thumbnails of your photos, as seen here, and square-shaped images that leave little border. 2 This slider increases and decreases the size of your preview i