How to convert from impress odp to jpg images...

$ unzip -l LCPickup_SuperRes.odp
Archive: LCPickup_SuperRes.odp
Length Date Time Name
-------- ---- ---- ----
47 04-06-08 20:55 mimetype
198483 04-06-08 20:55 Pictures/10000000000003C6000005A947A18EED.png
106496 04-06-08 20:55 Pictures/100000000000027A000002208F08DA28.jpg
....

....
....

7559 04-06-08 20:55 Pictures/1000000000000064000000644CA12AE9.png
440494 04-06-08 20:55 Pictures/200000CE0000CA0E000052FE5A0BD6C6.wmf
108072 04-06-08 20:55 content.xml
65014 04-06-08 20:55 styles.xml
1234 04-06-08 20:55 meta.xml
15428 04-06-08 20:55 Thumbnails/thumbnail.png
0 04-06-08 20:55 Configurations2/progressbar/
...
...
5157 04-06-08 20:55 META-INF/manifest.xml
-------- -------
3103324 42 files
$ mkdir images
$ cd images
$ unzip ../LCPickup_SuperRes.odp Pictures/*
Archive: ../LCPickup_SuperRes.odp
extracting: Pictures/10000000000003C6000005A947A18EED.png
extracting: Pictures/100000000000027A000002208F08DA28.jpg


.......

inflating: Pictures/200000CE0000CA0E000052FE5A0BD6C6.wmf
$ ls Pictures
100000000000001400000014AA9C84A4.png 1000000000000321000003091ABE38C7.jpg
1000000000000028000000281F5C61EF.png 1000000000000393000002EECFD057CF.png
....
....

We suppose that you've convert the ppt to odp with jpg option