[Radius Corners - Plugin for rounding the corners of an image]

Thanks, that did the trick. Must have had an earlier version than 3.5

[Radius Corners - Plugin for rounding the corners of an image]

It just errors for me:-

File: C:\Program Files\Paint.NET\Effects\RadiusFillCorners.dll

Effect Name: RadiusFillCorners.EffectPlugin

Full error message: PaintDotNet.WorkerThreadException: Worker thread threw an exception ---> System.IO.FileNotFoundException: Could not load file or assembly 'WindowsBase, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

File name: 'WindowsBase, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'

at RadiusFillCorners.EffectPlugin.Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs, Rectangle[] rois, Int32 startIndex, Int32 length)

at PaintDotNet.Effects.BackgroundEffectRenderer.ThreadFunction()

WRN: Assembly binding logging is turned OFF.

To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.

Note: There is some performance penalty associated with assembly bind failure logging.

To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

--- End of inner exception stack trace ---

at PaintDotNet.Effects.BackgroundEffectRenderer.Join()

at PaintDotNet.Effects.BackgroundEffectRenderer.Start()

at PaintDotNet.Menus.EffectMenuBase.<>c__DisplayClassb.b__8(Object sender, EventArgs e)