Help with Importing and Editing an Image

Hello All,
I am working on a project where I need to import an image into LabView and edit it. The gist of my program is that I want to create a VI that generates an interactive floorplan.
I want to be able to import the bitmap or png into my file so I can edit the file by assigning flashing colors to each room, etc.
I tried to import the .png by wiring "Read png" --> "Draw Flattened Pixmap" --> "new picture".
When I run the program I get a "general I/O" error in the "Read PNG" block even though it lets me select which png I can import.
Does LabVIEW 8.5 not allow for importing PNG files? Does anyone have any idea why I am getting this error?
On another note, I was reading about some of the IMAQ VI's and they seem like they may work for importing an image and creating graphics, etc. Should I try to delve a little deeper into the IMAQ stuff?
Thanks much for the help!

Great call on checking whether it was just a bad file.
I tried to convert it from a .bmp to a .png by simply renaming it which LabVIEW did not like...
So I just opened it up and re-saved it with photo editing software and it worked!
Now I just have to play around with my editing options to get the graphics I want.
I'll post some sample code just for suggestions that anyone may have. This is just my preliminary structure without most of my condition statements. All the code inside the case structures will be added when I figure all this stuff out.
My goal is to have each strobe and interlock correspond to a different graphic on the floorplan. For example, when strobe 1 reads red, I want the corresponding room to flash red and vice versa with green and yellow. Also, when interlock 1 reads false, I want a flashing light to pop up next to the corresponding door.
Anyone have any ideas for how to make these kinds of graphics? I figured I may be able to use a color box for the solid colors and LEDs for the flashing lights but I would rather edit the pixels to make it look more professional.
Thanks for all the help!
Attachments:
LabStatusProgram.vi ‏9 KB

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Hi all
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Syntax
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Check this link.
http://www.sap-img.com/abap/difference-between-sap-and-abap-memory.htm
Thanks,
Susmitha.
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