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Media Defaults allows you to specify default settings for inserting media and galleries into posts, pages and custom post types. The following list shows all the items that can have a custom default 
setting:
<ul>
<li>Inserting Media
<ul>
<li>Attachment Filter – display only items “Uploaded to this post” or any other filter, such as 
“Audio” or “Unattached”</li>
<li>Alignment – the default alignment setting for images</li>
<li>Attachment link – what happens when the user clicks on the media item, e.g., “Embed Media Player”, 
“Link to Attachment Page”, “None”, etc.</li>
<li>Attachment Size – the default size setting for images </li>
</ul>
</li>
<li>Adding Galleries
<ul>
<li>Thumbnail link – the destination when users click on an image in the gallery</li>
<li>Number of columns – how many images to display in each gallery row</li>
<li>Random order – whether Random will be selected by default for new galleries</li>
<li>Thumbnail size – the default size when creating new galleries</li>
</ul>
</li>
</ul>
Media Defaults does this in a way that is unobtrusive and integrates seamlessly with WordPress’ 
native interface. See the screenshots for examples.
Media Defaults uses WordPress’ native defaults when installed so you won’t notice any change until you alter the settings to your liking.
Media Defaults does NOT make changes to existing content, galleries or to WordPress’ [gallery] 
shortcode. It only adds new sections to Settings > Media in the WordPress admin area that allow 
you to specify new defaults for creating galleries or inserting media, and implements those 
defaults in the “Add Media” popup screen.
Requires WordPress 3.6 and PHP 5.

Media Defaults

Set site-wide defaults for creating galleries and inserting media.

Mathieu Chartier

For English people
Modal Portfolio works in English and in French 
Modal Portfolio uses the shortcode [modal-portfolio] (with or without options) for displaying image galleries with video (optionnal), title and description in a modal. Many settings are available to optimize the display and display filters by category
The main feature of Modal Portfolio is to manage several categories of portfolio with different customizable shortcodes . Thus, you can have multiple portfolios depending on the chosen categories.
En français
Modal Portfolio fonctionne en anglais et en français 
Modal Portfolio utilise le shortcode [modal-portfolio] (avec ou sans options) pour afficher des galeries d’images avec vidéo (optionnel), titre et description dans une modale. Beaucoup de paramètres sont disponibles pour optimiser l’affichage ainsi que des filtres d’affichage par catégorie.
La principale particularité de Modal Portfolio est de gérer plusieurs catégories de portfolio avec des shortcodes différents et personnalisables. Ainsi, vous pouvez avoir plusieurs portfolios selon les catégories choisies.

Modal Portfolio

Portfolio avec photos, description, titre et filtres en responsive avec de multiples options (responsive portfolio with images, description, title and filters (with multiple settings)

Media Defaults vs Modal Portfolio