WordPress How To Plugins, Themes Usability

Scroll to top plugin will add a button that hovers in the bottom right corner of your screen that allow users to smoothly scroll up.
This plugin will make your job to integrate jQuery Scroll to Top Control in wordpress more very easy.

Easy to use
Panel option, to customize:

Image button
Scroll speed
The button appears

Compatible in wordpress
Run [...]

This WordPress plugin allows for the creation of own sites with a booking system. It can apply to their sites hostels and hotels. Your users accessing the site, will fill a special order form and place your reservation. During the checkout process automatically register the user in WordPress. To order management created an administrative part. [...]

Looking for best theme for your existing blog or for new one? Here is collection of most beautiful Wordpress themes. May you like one of these themes.
1. WP-Magazine:
WP-Magazine is another professional and simple WordPress theme. Some features;

Featured Article Glider
Built-In Banner Ad Blocks
Built-In Site Guide in Right Sidebar

2. WP-MediaMag:

Looking for any method to display popup box in your Wordpress blog? KasViewer is Wordpress plugin which can display popup box in WordPress blog. KasViewer is a image, or web content visor, base on sexlightbox script to create a popup box in the same frame to show html content.
Installation:

By default, WordPress has functions to display links to previous and next pages. This is better than nothing, but I don’t understand why the folks at WordPress don’t build a pagenevi by default. But here is a plugin to display page numbers.
Configuration:

First of all download Pagenavi Wordpress Plugin.
Unzip the archive and put the wp-pagenavi [...]

Ajax based Currency Converter Plugin for WordPress.
Currency Conversion Calculator which could be embedded in any of the articles thus providing the visitors an opportunity to get an idea of the property prices in their native currencies, without having to leave the page. At first I sought the easy way out.

Want to add Php code in Wordpress post? WordPress plugin Exec-PHP allows you to easily add any code such as XHTML, CSS, PHP, JavaScript directly inside of the post box for your posts and will be executed as it should be.

Installation:

Download the Exec-PHP plugin archive and extract the files
Copy the resulting exec-php directory into /wp-content/plugins/
Activate [...]

A Collection of Buddypress Themes.
1. Randy Candy:

The Randy Candy child theme is hot, dark and very lightweight and works off the Buddypress Default theme. It was designed with Buddypress 1.2 in mind.

Micropayments for bloggers is now a reality. Charge for your content in an easy and simple way.
Once set up and registered a blogger, with only a few simple steps, can lock their articles and set their own prices for their content, as little as 1c.
And readers can unlock these articles with one-click, [...]

Looking for Buddypress plugin to generate xml sitemap? So here is a plugin that can generate a sitemap index and various component sitemap xml files for search engines: Google, Bing, Yahoo and Ask.com to better index BuddyPress.
With such a sitemap, it’s much easier for the crawlers to see the complete structure of [...]