The photostand is an application like an electric photostand, it changes wallpaper automatically at fixed intervals.
The software mentioned in this page is for UNIX or Linux, and the similar applicaiton for Microsoft Windows is here.
It supports wallpapers in the Internet as well as on the local disks.

It likes a electric photostand and change pictures at specified intervals.

Pictures are selected from the image files in the specified picture folders. The user can set the folders of local disks and the web picture folders stored in the server.

It supports the wallpaper delivery service provided by the site. It delivers pictures matching to the keywords set by the user.
You can find more detailed information about the service from "the page", and sample images are displayed in "the page".

At this moment it can be userd on UNIX-like sytem: Linux + gnome, Unity, XFce4 (Ubuntu, redhat, fedora core, Debian etc.). It runs from the cron of the system and the setting UI is launched from the setting menu.

The latest version is photostand-unix-1.4.1.zip.

Installation is as follows.

1. Extracting the downloaded zip file.
2. Execute sysinstall.sh as the user root.
3. Execute install.sh as your own user
4. Then photostand_setui.tcl is launched, so you should configure the setting and press "Run Settings" and "Quit".

Launch photostand_setui.tcl to set the preferences.

photostand_setui.tcl can be launched from a command line shell or the system menu. Photostand in the menu can be found under [Settings]->[Others]->[Photostand] on redhat/fedoracore, [Settings]->[Phtostand] on Ubuntu.
Since the UI set up the user's crontab in actually, you can configure it by editing the contab directly with "crontab -e".

• The changer program is called from cron, and changes wallpapers. Storing the configuration in the crontab by pressing "Run Settings"
• Pressing "Quit" button and quit the setting UI, but the settings are stored as crontab and the changer will be launched from it.
• If you stop changing wallpapers, select "Reset" in the menu "Edit", and delete all preferences and quit the UI. If you want to restart changing, launch setting UI or do install.sh again.
• Please do'nt forget pressing "Run Settings" after changing the preferences.
• About "Alignment"： "propotional screen size": pictures are resized to fit the screen without changing the propotion.
  "cover the screen": pictures are resized and trimmed to cover the whole screen. This method keeps the propotion of the original image whereas "screen size" changes it.
  The above two methods are not included in Microsoft Windows, but recommended.
• "web photo ratio": It decides probability of selecting a wallpaper from the web pictures. 0% means that all wallpapers are local files, and 100% means that local images are not used.

Run uninstall.sh as your user account and then run sysuninstall.sh as root.

By the way, installed files are as follows:

• /usr/bin/ photostand_set_random.pl, photostand_setui.tcl
• crontab of your account (It can be removed with "crontab -r", but it removes all of your jobs.)
• /usr/share/icon/photostand.png, /usr/share/applications/photostand.desktop

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