I recently wanted to compile several images into a single PDF document - after searching for a relevant tool and discounting Word or iWork as too time consuming I hit upon the following very simple solution...

1. Open one of the images you want to put into your document in Preview
2. Now open the 'Sidebar' (if it isn't already open)
3. Drag the rest of the images into sidebar in the order you wish them to appear in your PDF document
4. Select all the images in the sidebar (Cmd+A)
5. Do 'File -> Print' and click the 'Save as PDF'
6. Follow the prompts to save the file and you should now have a PDF containing all your images!

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Having just got a Netgear Stora I wanted to use it as my time machine backup (I have an old ibook G4 and 10.5 so some of this may or may not work for 10.6 - i haven't tried it!). It turns out this isn't a simple operation (despite ease of use supposedly being a big selling feature of the Stora...). Here are the steps I eventually worked my way through to get this working:

1. Enable unsupported time machine devices. In the Mac terminal type:
   defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1
2. Enable "Computer Backups" on the Stora through the web interface - this is an option in preferences. Select a password and set the changes through "Submit"
3. Mount the share in finder by going to Finder -> Go -> Connect to Server. Use smb://ComputersBackup@Stora/ComputersBackup
4. Enter the password (username should be ComputersBackup)
5. Open up a terminal and create a "sparsebundle" image locally by following the steps below:
   1. In a local directory run:
      hdiutil create -library SPUD -size $SIZESPEC -fs HFS+ -type SPARSEBUNDLE $MACHINENAME_$MAC_ADDRESS.sparsebundle
      where $SIZESPEC is the size (in bytes, or suffixed with g or t for Gigabytes and Terabytes - note you can resize it later, but you can't make it bigger than the space on your HD. $MACHINENAME is the 'name' of your machine and $MAC_ADDRESS is the mac address (seen in Network Preferences) in the form aabbccddeeff (i.e. no colons!).
   2. Copy it to your network drive by typing
      cp -r $MACHINENAME_$MAC_ADDRESS.sparsebundle /Volumes/ComputersBackup\$/
      you can now delete the local .sparsebundle file
   3. Resize to the size of backup you want by running the following command on the network mount:
      hdiutil resize -size $SIZEg $MACHINENAME_$MAC_ADDRESS.sparsebundle
      where $SIZE is the size in GB (note the g after the size number
   4. Load up time machine and select the ComputersBackup mount for backup. It should now detect the image and start backing up to it, using only the size of image that you have created (e.g. 200GB, rather than filling the entire drive!)
6. Pat yourself on the back get a cup of tea which it backs up and wonder why it wasn't easier!

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